Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
duc manh » suc manh, duc anh, duc minh
ky dang » ky nang, ky danh
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky
va hoi » va hoc, va hoa
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky dang ((va hoi) or (xa hoi)). lieu va cam ((duc tan) or (duc manh)) thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky dang ((va hoi) OR (xa hoi)). lieu va cam ((duc tan) OR (duc manh)) thanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky dang ((va hoi) or (xa hoi)). lieu va cam ((duc tan) or (duc manh)) thanh tai cua tre*.