Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, ca tren, cau treo
hanh vii » hanh voi, hanh va, hanh noi
dau tren » dau tien, dat tren, dau tieng
lang hai » lang chai, lang thai, lang ha
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
hai hoi » dai hoi, hai moi, hai hai
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
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 ky lang hai hoi. hieu vu cham xuc va ((hanh vii) or (hanh vi)) ((cau tren) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky lang hai hoi. hieu vu cham xuc va ((hanh vii) OR (hanh vi)) ((cau tren) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach ky lang hai hoi. hieu vu cham xuc va ((hanh vii) or (hanh vi)) ((cau tren) or (dau tren))*.