Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
van chat » cao chat
thai cua » than cua, tai cuc, tri cua
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
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: te sac ky nang x hoi. hieu ((va cam) or (van chat)) truc va hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x hoi. hieu ((va cam) OR (van chat)) truc va hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x hoi. hieu ((va cam) or (van chat)) truc va hanh thai cua tre*.