Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tu tieng » luc tieng, tu tuong, tu trong
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
ve pham » vi pham, v pham, ve phan
sach ky » sac ky, sach y, sach ty
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van

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 ((mang xa) or (nang ma)) hoi. hieu ve pham duc va danh vi ((cua triet) or (tu tieng))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((mang xa) OR (nang ma)) hoi. hieu ve pham duc va danh vi ((cua triet) OR (tu tieng)).
• Adding a wildcard symbol may retrieve word variants: te sach ky ((mang xa) or (nang ma)) hoi. hieu ve pham duc va danh vi ((cua triet) or (tu tieng))*.