Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
ban thanh » ban hanh, ban hang
thai cua » than cua, tai cuc, tri cua
dang cay » dang xay, dang ca, dang cac
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
cay cho » cap cho, cao cho, cay co
ky dang » ky nang, ky danh
ve cam » ve cac, va cam, ve cai

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 dang cay cho. hieu ((ve cam) or (ve cham)) duc ban thanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang cay cho. hieu ((ve cam) OR (ve cham)) duc ban thanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang cay cho. hieu ((ve cam) or (ve cham)) duc ban thanh thai cua tre*.