Perhaps you should try some spelling variations:
hoc trieu » hoc thieu, hoc tieu, hoc thiet
tranh cua » doanh cua, manh cua
hoc dieu » hoc thieu, hoc hien
dan dung » van dung, tin dung, ap dung
dung tac » dung tai, dung cac, dung tay
than cau » toan cau, phan cau, than cap
toan tap » toan ban
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) or (hoc dieu)) tinh - canh tranh cua dan dung tac ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc trieu) OR (hoc dieu)) tinh - canh tranh cua dan dung tac ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc trieu) or (hoc dieu)) tinh - canh tranh cua dan dung tac ((than cau) or (toan tap))*.