Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
hanh dao » lanh dao, thanh dat, thanh dam
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
dao cua » dai cua, day cua, dan cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa

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