Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
vu kham » vu khanh
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
ma hoi » mai hoi, xa hoi, ma hoa
va cao » va cac, va co, va dao
di cua » dai cua, doi cua, de cua

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 ky nang ma hoi. hieu ((va cao) or (vu kham)) thuc va hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. hieu ((va cao) OR (vu kham)) thuc va hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu ((va cao) or (vu kham)) thuc va hanh di cua triet*.