Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh dung » thanh dung, anh dung, hanh dong
cua khong » hua khong, cua phuong, cua thuong
cong van » cong vang, cong san, song van
van va » van vat, van van, ban va
va ban » van ban, va bai, va bao

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 - hanh dung ((suat thong) or (cua khong)) cong van va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh dung ((suat thong) OR (cua khong)) cong van va ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh dung ((suat thong) or (cua khong)) cong van va ban*.