Perhaps you should try some spelling variations:
nuoc san » nuoc luan, nguoi san, nuoc quan
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
phuc va » thuc va, chuc va, thuc vat
hanh di » hanh vi, hanh de, hang di
san ky » sang ky, van ky, dan ky
ve cau » ke cau, va cau, ve cac
di cua » dai cua, doi cua, de cua
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: nuoc san ky nang xa hoi. hieu ve cau ((phuc va) or (phuc vu)) hanh di cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc san ky nang xa hoi. hieu ve cau ((phuc va) OR (phuc vu)) hanh di cua tu.
• Adding a wildcard symbol may retrieve word variants: nuoc san ky nang xa hoi. hieu ve cau ((phuc va) or (phuc vu)) hanh di cua tu*.