Perhaps you should try some spelling variations:
va doanh » van doanh, vay doanh, va danh
cham xuc » cam xuc, chat xuc, cham soc
va cham » va chat, va tham
ban cua » ban quan
van cua » vang cua, dan cua, nan cua
tu sach » thu sach, su sach, tu cach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
hieu va » lieu va, hieu qua
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) or (te sach)) ky lang xa hoi. hieu va cham xuc va doanh ((van cua) OR (ban cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky lang xa hoi. hieu va cham xuc va doanh ((van cua) OR (ban cua)) viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky lang xa hoi. hieu va cham xuc va doanh ((van cua) OR (ban cua)) viet*".