Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lanh dai » lanh dao, lanh hai, lang dai
toc sach » hoc sach, doc sach, thuoc sach
cham luc » cham soc, nhan luc, cham cuu
va lanh » va lang, va danh, va hanh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ky tang » ky nang, ky dang, kho tang
ma hoi » mai hoi, ma hoa, me hoi
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) OR (toc sach)) ky tang ((ma hoi) or (xa hoi)). hieu ve cham luc va lanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky tang ((ma hoi) OR (xa hoi)). hieu ve cham luc va lanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ky tang ((ma hoi) or (xa hoi)). hieu ve cham luc va lanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ky tang ((ma hoi) or (xa hoi)). hieu ve cham luc va lanh dai cua triet*.