Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
tang quy » nang quy, tang quan, hoang quy
cong tan » cong tac, cong san, cong ty
toan ban » van ban
tan quy » tran quy, van quy, dan quy

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 - anh ((tang quy) OR (tan quy)) trong ((cong tan) or (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - anh ((tang quy) OR (tan quy)) trong ((cong tan) OR (cong thanh)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - anh ((tang quy) OR (tan quy)) trong ((cong tan) or (cong thanh)) toan ban*".