Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
sang ma » tang ma, nang ma, sang tao
va tham » van tham, va cham, va thanh
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
y sang » _ sang, duy sang
soc va » hoc va, loc va, goc va
doc va » duoc va, hoc va, duc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y sang ma hoa. lieu va tham ((soc va) or (doc va)) ((danh vi) or (dinh vi)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y sang ma hoa. lieu va tham ((soc va) OR (doc va)) ((danh vi) OR (dinh vi)) su triet.
• Adding a wildcard symbol may retrieve word variants: su sach y sang ma hoa. lieu va tham ((soc va) or (doc va)) ((danh vi) or (dinh vi)) su triet*.