Currently we have is grammatically correct.
The correct spelling of "Checkoslovakia" is in fact Czechoslovakia. The country no longer exists and in 1993 was divided into Slovakia and the Czech Republic.
Either could be correct, depending on context. "The thief has been located in the library." (The thief is inside the walls of the library.) "The thief has been located at the library." (The thief could be anywhere on the library grounds.)
i am currently enrolled in a masters degree for public administration, and feel confident that i will be ready to accept your offer of employment.
The correct spelling is "extinct." It refers to a species that no longer exists. If you meant a different word, please provide more context for clarification.
The correct spelling of the word is "current" (up-to-date, or water or electrical flow). A homophone (sound-alike word) is the fruit name "currant".
democracy exists in panama
Currently, no such character exists.
No such device currently exists.
The second one is correct: "If the opportunity still exists."
The Rules Committee currently exists only in the House of Representatives.
Currently, no such item exists.
It is not currently known for sure whether such a thing exists.
No. The WWE currently exists. The Illuminati does not.
The correct phrasing is "I am currently enrolled." This structure emphasizes the present status of enrollment. Saying "I am enrolled currently" is grammatically correct but less common and sounds a bit awkward.
CH what? CH does not exists by itself
You cannot correct his history. It exists. You can write your own version of events if you have sufficient knowledge.
"Is made" is in the present tense and "was made" is in the past tense. The choice between the two depends on the context of the sentence. Use "is made" when referring to something that currently exists or happens, and "was made" when referring to something that occurred in the past.