Perhaps you should try some spelling variations:
loai tren » la tren, thai tren
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
cau tren » cu tren, dau tren, ca tren
canh xa » canh va, canh tac, canh tay
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xuc van » duc van, luc van, vuc van

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