Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
thuc va » thuc dan, thuc day
nang xa » nang x, lang xa, nang ma
nang di » nang du, hang di, nang ji
sach ky » sac ky, sach y, sach ty
di cua » dai cua, doi cua, de cua
va cam » va cham, va cac, va cao
ve cai » va cai, ve cac, ve tai
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: tu sach ky nang xa hoi. hieu ((ve cai) or (va cam)) ((thuc vat) or (thuc va)) nang di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((ve cai) OR (va cam)) ((thuc vat) OR (thuc va)) nang di cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve cai) or (va cam)) ((thuc vat) or (thuc va)) nang di cua te*.