Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
te trang » ke trang, te trong, le trang
trang va » tran van, hang va
cham xuc » cam xuc, chat xuc, pham duc
danh vai » danh sai, danh va, dang van
tu sach » thu sach, su sach, te sach
cuu tre » cua tre, cau tren, cau treo
sach te » sach tet, sach de, sach tu
hieu ve » hieu va, hieu van
va hoi » xa hoi, va hoc, va hoa

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 te trang va hoi. hieu ve ((cham xuc) OR (cham soc)) va ((danh vai) or (doanh van)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach te trang va hoi. hieu ve ((cham xuc) OR (cham soc)) va ((danh vai) OR (doanh van)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach te trang va hoi. hieu ve ((cham xuc) OR (cham soc)) va ((danh vai) or (doanh van)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach te trang va hoi. hieu ve ((cham xuc) OR (cham soc)) va ((danh vai) or (doanh van)) cuu tre*.