Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
doc hieu » hoc thieu, hoc hien
trinh he » trinh han, trinh hoa, trinh thi
he nhung » hee nhung, ve nhung, me nhung
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac

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) or (toc thieu)) xanh - canh trinh he nhung cong quang ((than cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) xanh - canh trinh he nhung cong quang ((than cao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (toc thieu)) xanh - canh trinh he nhung cong quang ((than cao) or (than cap))*.