Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
van hanh » van thanh, ban hanh, van anh
cham duc » pham duc, cham soc, pham duy
van cham » van chat, van tham, va cham
hanh di » hanh vi, hanh de, hang di
duc van » duc va, duc tan, duc manh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
tang ma » mang may, tang van
nang ma » sang ma, nang cao, mang may
nang xa » nang x, lang xa, mang xa
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: tu sach ky ((nang xa) or (((nang ma) or (tang ma)))) hoi. thien van cham duc van hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang xa) OR (((nang ma) OR (tang ma)))) hoi. thien van cham duc van hanh di cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang xa) or (((nang ma) or (tang ma)))) hoi. thien van cham duc van hanh di cua triet*.