Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
vu khac » vu kham, vu khanh, bui khac
khac tu » khac tung, khac tuoi, khac hau
cao luc » bao luc, cao duc, cao suc
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
va cao » va cac, va co, va dao
ang xa » lang xa, mang xa, dang xay
tu ang » tu lang, tu anc, tu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac tu ang xa hoi. hieu va cao luc ((van hanh) or (ban hanh)) tri ((cua triet) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac tu ang xa hoi. hieu va cao luc ((van hanh) OR (ban hanh)) tri ((cua triet) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vu khac tu ang xa hoi. hieu va cao luc ((van hanh) or (ban hanh)) tri ((cua triet) or (cuu tre))*.