Perhaps you should try some spelling variations:
truong tran » trung tran, truong tan, truong trai
truong toan » truong ton, trong toan, truong tan
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
hung cong » nhung cong, hung cuong, phung cong
cong ban » cong bang, cong san, cong tan
phan lap » phan dau
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh ((truong tran) or (truong toan)) hung cong ban ((phan lap) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((truong tran) OR (truong toan)) hung cong ban ((phan lap) OR (khan ap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((truong tran) or (truong toan)) hung cong ban ((phan lap) or (khan ap))*.