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 ban, vu san
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai
nang o » nang co, nang ho, nang ro
tu can » tu ban, tu cac, thu canh
cua te » cua tu
o hoi » co hoi, o hoc, o hai

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 can)) ky nang o 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 can)) ky nang o 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 can)) ky nang o hoi. hieu ((ve cam) or (ve cac)) duc va hanh vai cua te*.