Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
canh trinh » canh tranh, hanh trinh, canh tinh
trinh ve » trinh he, trinh va, trinh vi
ve thong » he thong, va thong, ve phong
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan ban » van ban

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 (toc thieu)) xanh - canh trinh ve thong ((cong san) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (toc thieu)) xanh - canh trinh ve thong ((cong san) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (toc thieu)) xanh - canh trinh ve thong ((cong san) or (cong tan)) toan ban*.