Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trung tran » trung tuan, trung thanh, trung tam
cong thanh » dong thanh, cong trinh, cong tan
tran dang » tran quang, tran hoang, tranh hang
dang cong » dung cong
tranh ban » trinh ban, tranh hang, tranh luan
tran van » luan van

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)) - thanh trung tran dang cong thanh ((tran van) or (tranh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - thanh trung tran dang cong thanh ((tran van) OR (tranh ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - thanh trung tran dang cong thanh ((tran van) or (tranh ban))*.