Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
vay doanh » ly doanh, voi doanh, von doanh
cham xuc » cam xuc, chat xuc, cham soc
sach thu » sach thue, sach thieu, sach tham
tu sach » thu sach, su sach, te sach
van cuu » van cau, van chu, van cu
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
cuu tre » cua tre, cau tren, cau treo

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