Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh ve » hanh va, hanh kem
sach ky » sac ky, sach y, sach ty
te sach » toc sach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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