Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao hoc » co hoc, cho hoc, chat hoc
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, cac cuoc
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo

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 cao hoc. hieu ve ((cac xuc) or (chat xuc)) ban hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoc. hieu ve ((cac xuc) OR (chat xuc)) ban hanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoc. hieu ve ((cac xuc) or (chat xuc)) ban hanh tai cuu tre*.