Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hang doanh » nhung doanh, van doanh, dung doanh
phuong van » phung van, phong van, phuong lan
hoc thieu » toc thieu, hoc hien
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
ho chieu » theo chieu, doi chieu, mot chieu
qua dung » quang dung, su dung, qua song

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) or (hang doanh)) qua dung phuong van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - ((hanh doanh) OR (hang doanh)) qua dung phuong van thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - ((hanh doanh) or (hang doanh)) qua dung phuong van thanh cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) tinh - ((hanh doanh) or (hang doanh)) qua dung phuong van thanh cao*.