Perhaps you should try some spelling variations:
day nhanh » day thanh, duy nhanh, dac nhan
cam thuc » am thuc, nam thuc, cam thu
dao hanh » dao thanh, dang hanh, ban hanh
sach ty » sach tu, sach thu, xach tay
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
nang o » nang co, nang ho, nang ro
di cua » dai cua, doi cua, de cua
o hoi » co hoi, o hoc, o hai

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) or (sach ty)) nang o hoi. lieu va cam thuc ((dao hanh) or (day nhanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach y) OR (sach ty)) nang o hoi. lieu va cam thuc ((dao hanh) OR (day nhanh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: vu ((sach y) or (sach ty)) nang o hoi. lieu va cam thuc ((dao hanh) or (day nhanh)) di cua tre*.