Perhaps you should try some spelling variations:
doanh ban » doanh bat, doanh van, doanh nhan
thu hang » thuc hanh, thu huong, thu trang
thi hang » thi hanh, thi nang, thi hong
danh vai » danh sai, danh va, doanh van
vu sach » vu bach, su sach, vu khach
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((thu hang) or (thi hang)) xa hoi. hieu ve cam xuc va ((danh vai) or (doanh ban)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((thu hang) OR (thi hang)) xa hoi. hieu ve cam xuc va ((danh vai) OR (doanh ban)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ((thu hang) or (thi hang)) xa hoi. hieu ve cam xuc va ((danh vai) or (doanh ban)) cuu tre*.