Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
thanh tai » thanh hai, thanh toan, doanh tai
van thong » van thuong, van phong, va thong
thanh ta » thanh tra, thanh tay, thanh tam
cong van » cong vang, cong san, song van
van hang » van khang, van hoang, van thang
hang ca » hang va, nang cao, hang tai

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