Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
van anh » tuan anh, van minh
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
vi hoa » voi hoa, vi hoc, va hoa

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 ty xang xa hoi. hieu ((ve cam) or (va cam)) tuc ((van anh) OR (van thanh)) vi hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty xang xa hoi. hieu ((ve cam) OR (va cam)) tuc ((van anh) OR (van thanh)) vi hoa viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty xang xa hoi. hieu ((ve cam) or (va cam)) tuc ((van anh) OR (van thanh)) vi hoa viet*".