Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tang luan » dung luan
cho thuc » choi thuc, cho thue, co thuc
manh cua » doanh cua, ban cua
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: cho thuc hanh - hanh ((tang luan) or (manh cua)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho thuc hanh - hanh ((tang luan) OR (manh cua)) nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: cho thuc hanh - hanh ((tang luan) or (manh cua)) nhung cong tan toan cau*.