Perhaps you should try some spelling variations:
thanh than » thanh thanh, thanh thang, thanh toan
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
than cua » nhan cua, thai cua, ban cua
ky tang » ky dang, kho tang, ky trong
va pham » van pham, va phat, va phan
va phap » va phat, ban phap
duc ban » duc tan, duc van, dua ban
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky tang) or (ky nang)) xa hoi. hieu ((va pham) OR (va phap)) duc ban thanh than cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky tang) OR (ky nang)) xa hoi. hieu ((va pham) OR (va phap)) duc ban thanh than cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ((ky tang) or (ky nang)) xa hoi. hieu ((va pham) OR (va phap)) duc ban thanh than cua triet".
• Adding a wildcard symbol may retrieve word variants: su sac ((ky tang) or (ky nang)) xa hoi. hieu ((va pham) OR (va phap)) duc ban thanh than cua triet*.