Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
thanh than » thanh thanh, thanh thang, thanh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
than cau » toan cau, phan cau, than cap

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 sang - thanh trung thanh ((nhung cong) or (dung trong)) thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - thanh trung thanh ((nhung cong) OR (dung trong)) thanh than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - thanh trung thanh ((nhung cong) or (dung trong)) thanh than cau*.