Perhaps you should try some spelling variations:
danh thai » anh thai, dang thai, dinh thai
nang tai » hang tai, tang tai, sang tai
thai cua » than cua, tai cuc, tri cua
tai hoi » tai khoi, dai hoi, tai hai
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
luc va » tuc va, loc 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 hoi. hieu ve cac ((luc va) or (duc va)) danh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang tai hoi. hieu ve cac ((luc va) OR (duc va)) danh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang tai hoi. hieu ve cac ((luc va) or (duc va)) danh thai cua tre*.