Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh tai » thanh tai, hang tai, han tai
cham xuc » cam xuc, chat xuc, cham soc
sach thi » sach thu, sach tai, sach thieu
hanh va » hang va, hanh vi
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, 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: thu sach thi ((nang xa) OR (nang ma)) hoi. hieu ve cham xuc va ((hanh tai) or (hanh va)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thi ((nang xa) OR (nang ma)) hoi. hieu ve cham xuc va ((hanh tai) OR (hanh va)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach thi ((nang xa) OR (nang ma)) hoi. hieu ve cham xuc va ((hanh tai) or (hanh va)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach thi ((nang xa) OR (nang ma)) hoi. hieu ve cham xuc va ((hanh tai) or (hanh va)) cuu tre*.