Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hop nhieu » hoc thieu, ho chieu, he nhieu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong san » cong tac
phan cau » phan cac, phan lap, toan cau
phan dau » hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hop nhieu tang - canh tranh van nhung cong san ((((phan cau) OR (phan tu))) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop nhieu tang - canh tranh van nhung cong san ((((phan cau) OR (phan tu))) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hop nhieu tang - canh tranh van nhung cong san ((((phan cau) OR (phan tu))) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hop nhieu tang - canh tranh van nhung cong san ((((phan cau) OR (phan tu))) or (phan dau))*.