Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
va thanh » gia thanh, ban thanh, le thanh
va tinh » may tinh
su sach » so sach, vu sach
dang xa » dang xay, lang xa, dang ha
y dang » ky dang, 2 dang, _ dang
ve coc » ve cuoc, ve cac
ve co » vo co, va co, de co
ve su » va su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y dang xa hoi. hieu ((ve coc) OR (ve co)) luc ((va thanh) OR (va tinh)) ve su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y dang xa hoi. hieu ((ve coc) or (ve co)) luc ((va thanh) OR (va tinh)) ve su triet~".
• Adding a wildcard symbol may retrieve word variants: su sach y dang xa hoi. hieu ((ve coc) or (ve co)) luc ((va thanh) OR (va tinh)) ve su triet*.