Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
chat xuc » chat huu, cam xuc, chao xu
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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 ty nang mai hoi. hieu ve chat xuc ((va thanh) or (van hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang mai hoi. hieu ve chat xuc ((va thanh) OR (van hanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang mai hoi. hieu ve chat xuc ((va thanh) or (van hanh)) vi cua tre*.