Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua hai, qua cac, va cham
nang xa » nang x, lang xa, nang ma
soc van » hoc van, oc van, soc dan
sac van » cac van, san van, sat van
dao cua » dai cua, day cua, dan cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
sat va » suat va, dat va, vat va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang xa hoi. hieu qua cham ((soc van) or (((sac van) or (sat va)))) lanh dao cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang xa hoi. hieu qua cham ((soc van) OR (((sac van) OR (sat va)))) lanh dao cua triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang xa hoi. hieu qua cham ((soc van) or (((sac van) or (sat va)))) lanh dao cua triet*.