Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cau tren » cu tren, dau tren, ca tren
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
xuc van » duc van, luc van, vuc van
sach ky » sac ky, sach y, sach ty
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
dinh xu » dinh cu, dinh du, dinh tu
dinh xa » dinh ba, dinh va, binh xa
la tren » loai tren, dua tren, dat tren

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((dinh xa) OR (dinh xu)) hoi. hieu vu cham xuc van hanh vi ((cau tren) OR (la tren))~.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((dinh xa) or (dinh xu)) hoi. hieu vu cham xuc van hanh vi ((cau tren) or (la tren))*.