Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong dao » truong dai, truong cao, truong bo
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trung dai » truong dai, trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, tran bai
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 - thanh ((trung dai) OR (truong dao)) nhung cong tan ((tran ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung dai) OR (truong dao)) nhung cong tan ((tran ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((trung dai) OR (truong dao)) nhung cong tan ((tran ban) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((trung dai) OR (truong dao)) nhung cong tan ((tran ban) or (toan ban))*.