Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
tranh va » tranh van, trang va, trinh va
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu
va dung » van dung, va duong, vat dung

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 (toc thieu))) or (doi chieu)) xanh - canh tranh va dung cong van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (toc thieu))) OR (doi chieu)) xanh - canh tranh va dung cong van phan cau.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (toc thieu))) or (doi chieu)) xanh - canh tranh va dung cong van phan cau*.