Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh va, hanh van
thuc dan » thuc hanh, hoc dan, thuc vat
su sach » so sach, vu sach
va cham » va chat, va tham
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang x hoi. hieu ((ve cam) or (va cham)) thuc dan ((hanh vai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang x hoi. hieu ((ve cam) OR (va cham)) thuc dan ((hanh vai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. hieu ((ve cam) or (va cham)) thuc dan ((hanh vai) or (hanh tai)) cua tre*.