Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu xanh » chieu sach, chieu sang, hieu manh
dang cong » dung cong
cong danh » cuong danh, cong dan, cong thanh
trung ha » trung hoc, trung tam, trung cap
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ha dang » hai dang, ha dong, ha tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) or (chieu xanh)) - thanh trung ha dang cong danh ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu xanh)) - thanh trung ha dang cong danh ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu xanh)) - thanh trung ha dang cong danh ((toan cau) or (toan ban))*.