Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung tuong, thuong luong
nhung huong » nhung phuong, nhung tuong, nhung cong
hieu luat » hieu qua
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
tranh va » tranh van, trang va, trinh va
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: doc hieu luat - canh tranh va ((nhung luong) or (nhung huong)) manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu luat - canh tranh va ((nhung luong) OR (nhung huong)) manh toan cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu luat - canh tranh va ((nhung luong) or (nhung huong)) manh toan cau*.