Perhaps you should try some spelling variations:
sach van » sach han, sach va, bach van
van nang » van quang, van ban, van dong
thuc van » thuc vat, thuc dan, thuc va
su triet » su viet, su tien, ve triet
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
hanh va » hang va, hanh vi
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: so sach van nang xa hoi. hieu ve cam ((((xuc van) or (thuc van))) or (luc van)) hanh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach van nang xa hoi. hieu ve cam ((((xuc van) OR (thuc van))) OR (luc van)) hanh va su triet.
• Adding a wildcard symbol may retrieve word variants: so sach van nang xa hoi. hieu ve cam ((((xuc van) or (thuc van))) or (luc van)) hanh va su triet*.