Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh va » tranh van, trang va, trinh va
ban cong » bang cong, phan cong, ban huong
van cong » van dong, van phong, phan cong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - canh tranh va ((ban cong) OR (van cong)) dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh tranh va ((ban cong) OR (van cong)) dan than cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh va ((ban cong) OR (van cong)) dan than cao*.