Perhaps you should try some spelling variations:
cong thuyet » trong thuyet, cong truyen, nang thuyet
thuyet hung » thuyet huong, thuyet dung, thuyet ung
hien hanh » dieu hanh
hung cong » nhung cong, hung cuong, phung cong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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 cong thuyet hung cong tan than cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh cong thuyet hung cong tan than cau*.