Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
tranh tong » tranh trong, trinh tong, tran hong
tong quan » thong quan, tong luan, luong quan
quan dung » quang dung, quan duong, qua dung
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sang)) - tranh tong quan dung ((cong tan) or (truong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - tranh tong quan dung ((cong tan) OR (truong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - tranh tong quan dung ((cong tan) or (truong thanh)) toan tap*.