Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
cua triet » cua viet, su triet, va triet
thi hang » thi nang, thi hong, thi thanh
thi hanh » thi thanh
te sach » toc sach
hieu va » lieu va, hieu qua
tuc gia » tac gia, toc gia, luc gia
duc gia » quoc gia
ca hoi » cau hoi, cua hoi, xa hoi

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 ((thi hang) OR (thi hanh)) ca hoi. hieu va cac ((tuc gia) or (duc gia)) thanh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thi hang) OR (thi hanh)) ca hoi. hieu va cac ((tuc gia) OR (duc gia)) thanh tri cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((thi hang) OR (thi hanh)) ca hoi. hieu va cac ((tuc gia) or (duc gia)) thanh tri cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((thi hang) OR (thi hanh)) ca hoi. hieu va cac ((tuc gia) or (duc gia)) thanh tri cua triet*.