Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
va trong » va truong, va thong, va tuong
cong tan » cong tac, cong san, cong ty
pham tai » pham thi, pham van
pham va » pham van, pham ma, phan van

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 xanh - canh tranh va trong ((cong tan) or (cong thanh)) ((pham va) or (pham tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh va trong ((cong tan) OR (cong thanh)) ((pham va) OR (pham tai)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh va trong ((cong tan) or (cong thanh)) ((pham va) or (pham tai))*.