Perhaps you should try some spelling variations:
hien thanh » thien thanh, hien hanh, tien thanh
nhung cong » dung cong, thong cong, hang cong
tranh cua » manh cua
doanh cua » doanh luan
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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 thanh - hanh ((tranh cua) or (doanh cua)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien thanh - hanh ((tranh cua) OR (doanh cua)) nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien thanh - hanh ((tranh cua) or (doanh cua)) nhung cong tan toan cau*.