Perhaps you should try some spelling variations:
day thanh » dao thanh, dat thanh, da thanh
cac thuc » cach thuc, cac thu, can thuc
thuc day » thuc dan, thuc vat
thanh di » thanh doi, thanh de, thanh do
vu sach » vu bach, su sach, vu khach
te sach » toc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua
cua te » cua tu

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) or (te sach)) ky lang xa hoi. hieu ve cac thuc day thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (te sach)) ky lang xa hoi. hieu ve cac thuc day thanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (te sach)) ky lang xa hoi. hieu ve cac thuc day thanh di cua te*.