Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
te bac » ten bac, te bao, te ban
bac ky » cac ky, ban ky, sac ky
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bac ky dang xa hoi. hieu va cham ((tuc va) or (duc va)) hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bac ky dang xa hoi. hieu va cham ((tuc va) OR (duc va)) hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te bac ky dang xa hoi. hieu va cham ((tuc va) or (duc va)) hanh tai cua tre*.