Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hanh tai, anh thai
hinh thai » sinh thai, tinh thai, dinh thi
chat xuc » chat huu, cam xuc, chao xu
nang hoc » nang doc, nang luc, dong hoc
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, cac cuoc
hieu ve » hieu va, hieu van
hoc hai » hoc dai, hoc bai, hoc tai

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 hoc hai. hieu ve ((cac xuc) OR (chat xuc)) van ((hanh thai) or (hinh thai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang hoc hai. hieu ve ((cac xuc) OR (chat xuc)) van ((hanh thai) OR (hinh thai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang hoc hai. hieu ve ((cac xuc) OR (chat xuc)) van ((hanh thai) or (hinh thai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang hoc hai. hieu ve ((cac xuc) OR (chat xuc)) van ((hanh thai) or (hinh thai)) cua tre*.