Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
khoa hoc » hoa hoc
cho hoc » co hoc
tai cua » thai cua, tai cuc, tri cua
cao hoc » co hoc, chat hoc
tang ma » mang may, tang van
hieu va » lieu va, hieu qua
ky tang » ky nang, ky dang, kho tang
xac ky » cac ky, sac ky, bac ky
ma hoi » mai hoi, xa hoi, ma hoa
su xac » pu xac, su cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky tang ma hoi. hieu va ((cao hoc) or (((cho hoc) OR (khoa hoc)))) va thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky tang ma hoi. hieu va ((cao hoc) OR (((cho hoc) OR (khoa hoc)))) va thanh tai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su xac ky tang ma hoi. hieu va ((cao hoc) or (((cho hoc) OR (khoa hoc)))) va thanh tai cua triet*".