Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
dang luong » nang luong, dung luong, hang luong
tranh cua » doanh cua, manh cua
vat thanh » dat thanh, gat thanh, tat thanh
cua dang » cua cong, cua ban
vat tuan » van tuan, va tuan, viet tuan

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 xanh) or (chieu tinh)) - hanh tranh cua dang luong ((vat tuan) OR (vat thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - hanh tranh cua dang luong ((vat tuan) OR (vat thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu tinh)) - hanh tranh cua dang luong ((vat tuan) OR (vat thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu tinh)) - hanh tranh cua dang luong ((vat tuan) OR (vat thanh)) cau*.