Perhaps you should try some spelling variations:
truong luan » truong luat, truong quang, tong luan
truong quan » trong quan, thong quan, luong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
hang dau » hang va, hang tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh ((truong luan) OR (truong quan)) trong cong tan ((nang cao) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((truong luan) OR (truong quan)) trong cong tan ((nang cao) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((truong luan) OR (truong quan)) trong cong tan ((nang cao) or (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((truong luan) OR (truong quan)) trong cong tan ((nang cao) or (hang dau))*.