Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ho » nang hoc, nang co, tang ho
nang ro » nang co, nang ra, nang rong
cu tren » tu tren, dua tren
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: tu sach ky ((nang ro) or (nang ho)) hoi. hieu ve cham xuc va danh vi ((cua tre) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang ro) OR (nang ho)) hoi. hieu ve cham xuc va danh vi ((cua tre) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang ro) or (nang ho)) hoi. hieu ve cham xuc va danh vi ((cua tre) or (cu tren))*.