Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
cua thong » cua thuong, cua khong, cua tong
san thanh » ban thanh, van thanh, son thanh
thanh tap » thanh lap, thanh tai, thanh tay
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac

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)) xanh - ((hanh trang) or (canh tranh)) cua thong cong san thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) xanh - ((hanh trang) OR (canh tranh)) cua thong cong san thanh tap.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doc hieu)) xanh - ((hanh trang) or (canh tranh)) cua thong cong san thanh tap*.