Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
trong dan » trong dang, trong san, trong tan
chao chu » cho chu, cua chu, cao cho
cua dung » cua dang, cua dong, qua dung
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (chao chu)) xanh - hanh tranh cua dung trong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (chao chu)) xanh - hanh tranh cua dung trong dan toan cau*.