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 cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet

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 cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang cao hoc. hieu ve ((cac xuc) OR (chat xuc)) ban hanh tai cua 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 cua tre*.