Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
tu san » thu san, tu can, vu san
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai
tu ban » thu ban, te ban
cua te » cua tu
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 (tu ban)) ky nang x hoi. hieu ((ve cam) or (ve cac)) duc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky nang x hoi. hieu ((ve cam) OR (ve cac)) duc va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu ban)) ky nang x hoi. hieu ((ve cam) or (ve cac)) duc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu ban)) ky nang x hoi. hieu ((ve cam) or (ve cac)) duc va hanh vai cua te*.