Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
phu san » phi san, thuy san
nang xa » nang x, lang xa, nang ma
van cac » van hac, van cau, van bac
cac duc » cac du, cao duc, cac dac
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
san ky » sang ky, van ky, dan ky
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: phu san ky nang xa hoi. hieu van cac duc va hanh di ((cua tu) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: phu san ky nang xa hoi. hieu van cac duc va hanh di ((cua tu) OR (cua cu)).
• Adding a wildcard symbol may retrieve word variants: phu san ky nang xa hoi. hieu van cac duc va hanh di ((cua tu) or (cua cu))*.