Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
bach ky » bac ky
nang xa » nang x, lang xa, nang ma
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
va hanh » va thanh, va danh, ban hanh
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ky nang xa hoi. hieu ((ve cham) OR (va cham)) xuc ((va hanh) or (van hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ky nang xa hoi. hieu ((ve cham) OR (va cham)) xuc ((va hanh) OR (van hanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ky nang xa hoi. hieu ((ve cham) OR (va cham)) xuc ((va hanh) or (van hanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang xa hoi. hieu ((ve cham) OR (va cham)) xuc ((va hanh) or (van hanh)) vi cua tre*.