Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
cham xuc » cam xuc, chat xuc, cham soc
trang va » hang va
tran van » luan van
danh vai » danh sai, danh va, dang van
tu sach » thu sach, su sach, te sach
vu cham » va cham, vu kham, tu cham
sach ty » sach y, sach tu, sach thu
hieu vu » hieu va, hieu ve, hieu su
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((trang va) or (tran van)) hoi. hieu vu cham xuc va ((danh vai) or (doanh van)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((trang va) OR (tran van)) hoi. hieu vu cham xuc va ((danh vai) OR (doanh van)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((trang va) or (tran van)) hoi. hieu vu cham xuc va ((danh vai) or (doanh van)) cuu tre*.