Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tranh va » tranh van, trang va, trinh va
va trong » va truong, va thong, va tuong
cong van » cong vang, cong san, song van
khan cap » khan ap, than cap, khoan cam
phan cac » nhan cach, phan dau, phan lap

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 xanh) OR (chieu sach)) - canh tranh va trong cong van ((khan cap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - canh tranh va trong cong van ((khan cap) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - canh tranh va trong cong van ((khan cap) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sach)) - canh tranh va trong cong van ((khan cap) or (phan cac))*.