Perhaps you should try some spelling variations:
sach van » sach han, sach va, bach van
ve triet » su triet
va trien » va truyen, va thiet, va tuyen
su sach » so sach, vu sach
dong xa » dong xay, duong xa, dong ha
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
luu van » cuu van, luan van, luu hanh
ve cam » ve cham, ve cac, va cam

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