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