Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
trong hinh » trong thinh, trong kinh, trong linh
trong sinh » trong kinh, trong san
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
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 tinh - hanh tranh cua dung ((trong hinh) or (trong sinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - hanh tranh cua dung ((trong hinh) OR (trong sinh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - hanh tranh cua dung ((trong hinh) or (trong sinh)) toan cau*.