Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
nang xa » nang x, lang xa, mang xa
anh dai » vanh dai, anh bai, anh dat
ban anh » ban hanh, ban banh, ban danh
nang ma » tang ma, sang ma, nang cao
dua ban » dia ban, cua ban, qua ban
va cam » va cac, va cao, va cai
cua tu » cua tuc, cua su, cua cu

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 y ((nang xa) or (nang ma)) hoi. hieu ((va cam) or (va cham)) dua ban anh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (nang ma)) hoi. hieu ((va cam) OR (va cham)) dua ban anh dai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang xa) or (nang ma)) hoi. hieu ((va cam) or (va cham)) dua ban anh dai cua tu*.