Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
truong cua » truong ca, truong cao, huong cua
dong thanh » truong thanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
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: doc hieu xanh - hanh ((truong cua) or (truong quan)) nhung ((cong tan) or (dong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh ((truong cua) OR (truong quan)) nhung ((cong tan) OR (dong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh ((truong cua) or (truong quan)) nhung ((cong tan) or (dong thanh)) toan cao*.