Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
hanh vai » hanh vi, hanh va, hanh tai
tai roi » lai roi, tai hoi, tai loi
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang tai roi. hieu ve cam ((tuc va) OR (tuc xa)) hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang tai roi. hieu ve cam ((tuc va) OR (tuc xa)) hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang tai roi. hieu ve cam ((tuc va) OR (tuc xa)) hanh vai cua tre*.