Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
bach tuoc » sach duoc, sach nuoc
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
tai cua » thai cua, tai cuc, tri cua
su sach » vu sach
hieu va » lieu va, hieu qua
so sach » so sanh, bo sach, co sach
bac tuc » bac tu, bac thua
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (so sach)) y nang x hoi. hieu va ((bac tuc) or (bach tuoc)) va thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) y nang x hoi. hieu va ((bac tuc) OR (bach tuoc)) va thanh tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) y nang x hoi. hieu va ((bac tuc) or (bach tuoc)) va thanh tai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) y nang x hoi. hieu va ((bac tuc) or (bach tuoc)) va thanh tai cua triet*.