Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
hop nhieu » hoc thieu, ho chieu, he nhieu
truong ca » truong cao, truong va, trong ca
trung cap » truong cao, trung tam
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
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: hop nhieu tang - thanh ((truong ca) or (trung cap)) dung cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop nhieu tang - thanh ((truong ca) OR (trung cap)) dung cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hop nhieu tang - thanh ((truong ca) or (trung cap)) dung cong tan ((toan tap) or (toan ban))*.