Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
tranh va » tranh van, trang va, trinh va
va trong » va truong, va thong, va tuong
cong tac » cong ty
tac pham » thuc pham, san pham
pham ma » pham va, pham van, pham tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) xanh - canh tranh va trong cong tac pham ma~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh tranh va trong cong tac pham ma.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - canh tranh va trong cong tac pham ma*.