Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
va tinh » may tinh
cua te » cua tu
va cam » va cham, va cac, va cao
sach v » sach va, sach y, sach 2
ve cam » ve cham, ve cac, ve cai
v nang » va nang, vu nang, van nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach v nang xa hoi. hieu ((ve cam) or (va cam)) tuc ((va thanh) or (va tinh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach v nang xa hoi. hieu ((ve cam) OR (va cam)) tuc ((va thanh) OR (va tinh)) dai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach v nang xa hoi. hieu ((ve cam) or (va cam)) tuc ((va thanh) or (va tinh)) dai cua te*.