Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
mot chieu » doi chieu, ho chieu
trung qua » trung quan, trong qua, trung cua
qua nhung » quan nhung, cua nhung, qua chung
doc hieu » toc thieu, hoc hien
cong san » cong tac
san van » tan van, luan van, tran van

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

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