Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
ho chieu » doi chieu, mot chieu, thi chieu
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: ((((ho chieu) OR (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: ((((ho chieu) OR (theo chieu))) OR (hoc thieu)) xanh - thanh trung cua dung cong tan van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (theo chieu))) or (hoc thieu)) xanh - thanh trung cua dung cong tan van ban*".