Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu xanh » chieu sach, chieu sang, chieu tinh
manh tung » manh hung, thanh tung
dung cong » dung trong
hieu van » hieu va, thien van, lieu va
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban
tung ap » tang ap, tung dan, tung bay
ap dung » xay dung, van dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((hieu van) OR (nhieu tang)))) - manh tung ap dung cong san toan tap~.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((hieu van) or (nhieu tang)))) - manh tung ap dung cong san toan tap*.