Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cap nuoc » dat nuoc
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
tai cua » thai cua, tai cuc, tri cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky

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 va ((cap nuoc) or (hoc nuoc)) van hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang xa hoi. hieu va ((cap nuoc) OR (hoc nuoc)) van hanh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang xa hoi. hieu va ((cap nuoc) or (hoc nuoc)) van hanh tai cua triet*.