Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
trinh quan » trinh luat, trinh han
nho nhieu » nho hieu, ho chieu, nha hieu
bang cong » dang cong, bang song, hang cong
cong san » cong tac
san toan » van toan, dan toan, manh 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: nho nhieu tang - hanh ((trinh quan) or (tinh quang)) bang cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho nhieu tang - hanh ((trinh quan) OR (tinh quang)) bang cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: nho nhieu tang - hanh ((trinh quan) or (tinh quang)) bang cong san toan cau*.