Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dao » lanh dao, thanh dat, thanh dam
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
dao cua » dai cua, day cua, dan cua
ma hoi » xa hoi, ma hoa, me hoi
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (vu sach)) ky nang ((ma hoi) OR (mai hoi)). hieu ve cac tuc va hanh dao cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (vu sach)) ky nang ((ma hoi) OR (mai hoi)). hieu ve cac tuc va hanh dao cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (vu sach)) ky nang ((ma hoi) OR (mai hoi)). hieu ve cac tuc va hanh dao cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (vu sach)) ky nang ((ma hoi) OR (mai hoi)). hieu ve cac tuc va hanh dao cua triet*.