Perhaps you should try some spelling variations:
sach van » sach han, sach va, bach van
van nang » van quang, van ban, van dong
thanh vi » hanh vi, thanh va, thanh ve
thuc dao » thuc dan, thuc day, chuc dao
tu sach » thu sach, su sach, te sach
hanh ve » hanh vi, hanh va, hanh kem
va tham » van tham, va cham, va thanh
nang xa » nang x, lang xa, nang ma
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 van nang xa hoi. hieu ((ve cai) or (va tham)) thuc dao ((thanh vi) or (hanh ve)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach van nang xa hoi. hieu ((ve cai) OR (va tham)) thuc dao ((thanh vi) OR (hanh ve)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach van nang xa hoi. hieu ((ve cai) or (va tham)) thuc dao ((thanh vi) or (hanh ve)) cua te*.