Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
trung dap » trung dai, trung dam, trung lap
trung cap » truong cao, trung tam
bang cong » dang cong, bang song, hang cong
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sach)) - manh ((trung dap) OR (trung cap)) bang cong thanh tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - manh ((trung dap) OR (trung cap)) bang cong thanh tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - manh ((trung dap) OR (trung cap)) bang cong thanh tran cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - manh ((trung dap) OR (trung cap)) bang cong thanh tran cau*.