Perhaps you should try some spelling variations:
doanh van » doan van, doanh ban, doanh nhan
toc sach » hoc sach, thuoc sach, nuoc sach
cham xuc » cam xuc, chat xuc, cham soc
doanh va » doan va, doanh tai, doanh cua
doc sach » hoc sach, nuoc sach, dac sac
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (doc sach)) ky nang ma hoi. lieu va cham xuc va ((doanh van) OR (doanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ky nang ma hoi. lieu va cham xuc va ((doanh van) OR (doanh va)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (doc sach)) ky nang ma hoi. lieu va cham xuc va ((doanh van) OR (doanh va)) cua tre*".