Perhaps you should try some spelling variations:
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
tu can » tu ban, thu canh
nang o » nang co, nang ho, nang ro
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua
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 cac) or (tu can)) ky nang o hoi. hieu ((ve cam) or (vu cham)) duc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (tu can)) ky nang o hoi. hieu ((ve cam) OR (vu cham)) duc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (tu can)) ky nang o hoi. hieu ((ve cam) or (vu cham)) duc va hanh vi cua te*.