Perhaps you should try some spelling variations:
day nhanh » day thanh, duy nhanh, dac nhan
day hanh » day thanh, dao hanh, day manh
ve chat » va chat, van chat
vu sach » vu bach, su sach, vu khach
ve cham » va cham, vu cham, ve chim
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
de cua » le cua, te cua, dieu cua
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: vu sach y nang x hoi. hieu ((ve cham) or (ve chat)) thuc ((day hanh) or (day nhanh)) de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu ((ve cham) OR (ve chat)) thuc ((day hanh) OR (day nhanh)) de cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu ((ve cham) or (ve chat)) thuc ((day hanh) or (day nhanh)) de cua tre*.