Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
dung phuong » dung thuong, bang phuong, dung chung
phuong linh » phuong binh, phuong trinh, cuong linh
hoc thieu » toc thieu, hoc hien
doanh qua » doanh quan, doanh cua, danh qua
linh toan » tinh toan, hinh toan, minh toan
ho chieu » theo chieu, doi chieu, mot chieu
qua dung » quang dung, su dung, qua song
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 - doanh doanh qua dung phuong linh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - doanh doanh qua dung phuong linh toan cao*.