Perhaps you should try some spelling variations:
hoc trieu » hoc thieu, hoc tieu, hoc dieu
tranh cua » doanh cua, manh cua
dan dung » van dung, tin dung, ap dung
dung tac » dung tai, dung cac, dung tay
phan cau » phan dau, phan cac, phan tu
toan cau » toan cao, toan ban, toan tap
cua dan » cua dang, cua ban, ca dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - canh tranh cua dan dung tac ((phan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - canh tranh cua dan dung tac ((phan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc trieu tinh - canh tranh cua dan dung tac ((phan cau) or (toan cau))*.