Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
doi chieu » doc hieu, doi chi, ho chieu
hanh tinh » hanh trinh, thanh tinh, canh tinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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