Perhaps you should try some spelling variations:
van chat » cao chat
hanh lai » hanh lam, hanh tai, thanh lap
so sach » so sanh, bo sach, co sach
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
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: so sach y nang x hoi. hieu ((ve cam) or (((vu cham) or (van chat)))) duc va hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang x hoi. hieu ((ve cam) OR (((vu cham) OR (van chat)))) duc va hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. hieu ((ve cam) or (((vu cham) or (van chat)))) duc va hanh lai cua te*.