Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
ban hanh » ban hang
sach ky » sach y, sach kem, sach hay
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
cao hoc » co hoc, cho hoc, chat hoc
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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