Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
khong cang » thong cong, hong bang, thong cung
khong dung » thong dung, phuong dung, cuong dung
toc chieu » toc thieu, doc hieu, hoc thieu
tranh cua » doanh cua, manh cua
tac phan » tac pham, tai phan, cac phan
tac phat » tac pham, tam phat, tan phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - canh tranh cua ((khong cang) OR (khong dung)) ((tac phan) or (tac phat)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - canh tranh cua ((khong cang) OR (khong dung)) ((tac phan) OR (tac phat)) dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - canh tranh cua ((khong cang) OR (khong dung)) ((tac phan) or (tac phat)) dau".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - canh tranh cua ((khong cang) OR (khong dung)) ((tac phan) or (tac phat)) dau*.