Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung cua » truong cua, trung tuan, trung cap
dong cong » duong cong, dung cong, dang cong
doc hieu » toc thieu, hoc thieu
cua dong » chua dong, cua cong, cua dang
cong van » cong vang, cong san, song van
van van » tan van, san van, van vat

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 (((doc hieu) or (hoc hien)))) xanh - thanh trung cua dong cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((doc hieu) OR (hoc hien)))) xanh - thanh trung cua dong cong van van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (((doc hieu) or (hoc hien)))) xanh - thanh trung cua dong cong van van ban*.