Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (hoc thieu)) xanh - thanh trung cua dung cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) xanh - thanh trung cua dung cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - thanh trung cua dung cong tan van ban*.