Perhaps you should try some spelling variations:
khung hoang » phuong hoang
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua khung » cua nhung, cua chung, cua khong
hoang van » hang va
thanh bac » nhanh bac, thanh san, thanh hai
thanh bai » thanh hai, thanh tai, thanh oai

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