Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
van cac » van hac, van cau, van bac
truc va » thuc va, thuc vat, trung va
hanh di » hanh vi, hanh de, hang di
y nang » ky nang, ly nang, v nang
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 bach) or (so sach)) y nang xa hoi. hieu van cac ((truc va) or (tuc xa)) hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu bach) OR (so sach)) y nang xa hoi. hieu van cac ((truc va) OR (tuc xa)) hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((vu bach) or (so sach)) y nang xa hoi. hieu van cac ((truc va) or (tuc xa)) hanh di cua te*.