Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
cham xuc » cam xuc, chat xuc, cham soc
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tu sach » thu sach, tu cach, vu sach
mai hoi » mai khoi, dai hoi, lai hoi
su sach » so sach, vu sach
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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) or (te sach))) or (su sach)) ky nang mai hoi. hieu ve cham xuc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (su sach)) ky nang mai hoi. hieu ve cham xuc va hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (te sach))) or (su sach)) ky nang mai hoi. hieu ve cham xuc va hanh di cua tre*.