Perhaps you should try some spelling variations:
chau phuong » chau phong, cau phuong, chu phuong
thiet tach » chiet tach, thien hach, thuat tach
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh chau » doanh chu, doanh nhan, doanh thu
hoc thiet » hoc thieu, hoc thuyet, hoc hien
dang sinh » dang dinh, khang sinh
dang hanh » dang thanh, ban hanh, dang van
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet tach - hanh doanh chau phuong ((dang sinh) or (dang hanh)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - hanh doanh chau phuong ((dang sinh) OR (dang hanh)) thanh lap.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - hanh doanh chau phuong ((dang sinh) or (dang hanh)) thanh lap*.