Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ve cham » va cham, ve chat, vu cham
va hanh » va thanh, va danh, ban hanh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
va cua » va chua, via cua, ca cua
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 sac ky nang x hoi. hieu ((ve cham) or (ve cac)) duc ((va hanh) OR (van hanh)) va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu ((ve cham) OR (ve cac)) duc ((va hanh) OR (van hanh)) va cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. hieu ((ve cham) or (ve cac)) duc ((va hanh) OR (van hanh)) va cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu ((ve cham) or (ve cac)) duc ((va hanh) OR (van hanh)) va cua te*.