Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
nang ma » tang ma, sang ma, nang cao
cac lop » cac loai
va hanh » van hanh, va thanh, va danh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
tu san » thu san, tu can, vu san
tu ban » thu ban, te ban
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu ban)) ky nang ma hoi. lieu va ((cac lop) or (cac hop)) va hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky nang ma hoi. lieu va ((cac lop) OR (cac hop)) va hanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky nang ma hoi. lieu va ((cac lop) or (cac hop)) va hanh vai cuu tre*.