Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
va tham » van tham, va thanh, va thuat
thu san » thuy san, thu ban, phu san
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
va cham » va chat
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
tu san » tu ban, tu can, vu san
x hoi » xa hoi, o hoi, x ho

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 (thu san)) ky nang x hoi. lieu ((va cham) or (va tham)) xuc va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (thu san)) ky nang x hoi. lieu ((va cham) OR (va tham)) xuc va danh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (thu san)) ky nang x hoi. lieu ((va cham) or (va tham)) xuc va danh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (thu san)) ky nang x hoi. lieu ((va cham) or (va tham)) xuc va danh vi cua tre*.