Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 sang - canh tranh va thong ((cong dan) or (cong san)) ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh tranh va thong ((cong dan) OR (cong san)) ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh tranh va thong ((cong dan) or (cong san)) ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh tranh va thong ((cong dan) or (cong san)) ((phan cau) OR (phan dau))*.