Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tinh » thanh binh, nhanh tinh, than kinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
hanh tinh » hanh trinh, nhanh tinh, canh tinh
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 (thanh tinh)) va nhung 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 (thanh tinh)) va nhung cong tan ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((hanh tinh) OR (thanh tinh)) va nhung cong tan ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hanh tinh) OR (thanh tinh)) va nhung cong tan ((toan tap) or (toan ban))*.