Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
van thong » van thuong, van phong, va thong
cong vang » cong lang, cong quang, cong ngang
thanh ta » thanh tra, thanh tai, thanh tay
cong van » cong san, song van, cong tan
ta van » tan van, tap van, va van
tan ca » tan cua, tang ca, dan ca

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 (theo tieu)) xanh - thanh ta van thong ((cong van) OR (cong vang)) tan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - thanh ta van thong ((cong van) OR (cong vang)) tan ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) xanh - thanh ta van thong ((cong van) OR (cong vang)) tan ca".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - thanh ta van thong ((cong van) OR (cong vang)) tan ca*.