Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, tra cau
ran cau » van cau, ban cau, can cau

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)) - anh dung cua thong cong tan ((tran cau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - anh dung cua thong cong tan ((tran cau) OR (ran cau)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - anh dung cua thong cong tan ((tran cau) or (ran cau))*.