Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
trung ha » trung hoc, trung tam, trung cap
trang va » tran van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - thanh ((trung ha) or (((trang va) or (hang va)))) thong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh ((trung ha) OR (((trang va) OR (hang va)))) thong cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh ((trung ha) or (((trang va) or (hang va)))) thong cong tan toan cao*.