Perhaps you should try some spelling variations:
thiet nang » nhiet nang, thien nang, tiem nang
tranh cua » doanh cua, manh cua
nong cong » cong cong, tong cong, nang cong
thi nang » thi cong, ki nang, thi hanh
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thiet nang) or (thi nang)) - canh tranh cua nong cong tan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thiet nang) OR (thi nang)) - canh tranh cua nong cong tan hang dau*.