Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
ly nang » ly hang, ly vang, ly quang
duc ban » duc tan, duc van, dua ban

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 ((ly nang) or (ky nang)) xa hoi. lieu ((va dao) OR (ca dao)) duc ban thanh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ky nang)) xa hoi. lieu ((va dao) OR (ca dao)) duc ban thanh thai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) or (ky nang)) xa hoi. lieu ((va dao) OR (ca dao)) duc ban thanh thai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ky nang)) xa hoi. lieu ((va dao) OR (ca dao)) duc ban thanh thai cua triet*.