Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
nhieu tang » chieu sang, hieu lang, nhiet nang
nho nhieu » nho hieu, ho chieu, nha hieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho nhieu tang - hanh ((tinh cua) or (trinh quan)) dung ((cong tan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho nhieu tang - hanh ((tinh cua) OR (trinh quan)) dung ((cong tan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho nhieu tang - hanh ((tinh cua) or (trinh quan)) dung ((cong tan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: nho nhieu tang - hanh ((tinh cua) or (trinh quan)) dung ((cong tan) OR (cong san)) toan ban*.