Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
van hanh » van thanh, ban hanh, van anh
vung van » vung va, dung van, vung ven
cac vung » cac ung, cac chung, cach dung
hieu ve » hieu va, hieu van
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
nang ro » nang co, nang ho, nang ra
ve cac » va cac, vien cac
nang o » nang co, nang ho, nang x
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky ((nang o) OR (nang ro)) lai. hieu ve cac vung van hanh tai cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky ((nang o) or (nang ro)) lai. hieu ve cac vung van hanh tai cua tre*.