Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
trong chuan » thong chuan, trong chan, trong thuan
chuan dung » chan dung, chuyen dung, chua dong
hieu xanh » chieu xanh, hieu manh, hieu nganh
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
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: doc hieu xanh - thanh trong chuan dung cong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh trong chuan dung cong tan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh trong chuan dung cong tan ((toan cao) or (toan ban))*.