Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu ly » hieu ky, lieu ly, dieu ly
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
sai ky » sac ky
nam tu » nam thu, nam thuc

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 y) or (sai ky)) ((nang xa) OR (lang xa)) hoi. hieu ly nam tu va hanh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sai ky)) ((nang xa) OR (lang xa)) hoi. hieu ly nam tu va hanh va su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach y) or (sai ky)) ((nang xa) OR (lang xa)) hoi. hieu ly nam tu va hanh va su triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sai ky)) ((nang xa) OR (lang xa)) hoi. hieu ly nam tu va hanh va su triet*.