Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
su sach » so sach, vu sach
tinh de » tinh da, sinh de, tinh he
va tinh » may tinh
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay
luc va » duc va, tuc va, loc va
de cua » le cua, te cua, dieu cua
ve coc » ve cuoc, ve cac
ve co » vo co, va co, de co

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 ky ((lang xa) OR (lang van)) hoi. hieu ((ve coc) OR (ve co)) luc va tinh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((lang xa) OR (lang van)) hoi. hieu ((ve coc) or (ve co)) luc va tinh de cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((lang xa) OR (lang van)) hoi. hieu ((ve coc) or (ve co)) luc va tinh de cua tre*.