Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trung tuan » trung tam, tran tuan, truong thanh
nhung tung » nhung tuong, nhung dung, nhung vung
tung dan » dung dan, huong dan, trung dai
dan than » dan chan, ban than, van than
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: theo ((chieu xanh) or (chieu sang)) - hanh ((trung tuan) OR (trung thanh)) nhung tung dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh ((trung tuan) OR (trung thanh)) nhung tung dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - hanh ((trung tuan) OR (trung thanh)) nhung tung dan than cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh ((trung tuan) OR (trung thanh)) nhung tung dan than cau*.