Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
quang dung » quang trung, ung dung, cuong dung
phuong lan » phuong la, thuong lan, phuong linh
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
qua dung » su dung, qua song, qua cong
lan toan » van toan, dan toan, lap toan
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: ((ho chieu) or (hoc thieu)) tinh - hanh doanh ((qua dung) OR (quang dung)) phuong lan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - hanh doanh ((qua dung) OR (quang dung)) phuong lan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) tinh - hanh doanh ((qua dung) OR (quang dung)) phuong lan toan cao*".