Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trung hoc » trung quoc
trung ha » trung tam, trung cap
cong anh » cong danh, dong anh, hong anh
tuan cao » toan cao, juan cao, quang cao

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 sach)) - thanh ((trung ha) OR (trung hoc)) nhung cong anh tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sach)) - thanh ((trung ha) OR (trung hoc)) nhung cong anh tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (chieu sach)) - thanh ((trung ha) OR (trung hoc)) nhung cong anh tuan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sach)) - thanh ((trung ha) OR (trung hoc)) nhung cong anh tuan cao*.