Perhaps you should try some spelling variations:
sach doi » sach hoi, sach moi, sach dao
hanh tai » thanh tai, hang tai, han tai
cham xuc » cam xuc, chat xuc, cham soc
vu sach » vu bach, su sach, vu khach
hanh va » hang va, hanh vi
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » lang xa, nang ma, mang xa
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: vu sach doi ((nang xa) OR (nang x)) hoi. hieu va cham xuc va ((hanh tai) or (hanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach doi ((nang xa) OR (nang x)) hoi. hieu va cham xuc va ((hanh tai) OR (hanh va)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach doi ((nang xa) OR (nang x)) hoi. hieu va cham xuc va ((hanh tai) or (hanh va)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach doi ((nang xa) OR (nang x)) hoi. hieu va cham xuc va ((hanh tai) or (hanh va)) cuu tre*.