Perhaps you should try some spelling variations:
thanh dum » thanh dam, thanh dung, thanh dat
sach thu » sach thue, sach thieu, sach tham
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, xach tay, sach hay
dum cua » duy cua, dam cua, dung cua
cac luc » cau luc, coc luc, cac nuoc
hieu ve » hieu va, hieu van
xang xa » lang xa, mang xa, ang xa
sach tu » cach tu, sach uu, sach xu
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
cua te » cua tu

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) or (sach thu))) or (sach tu)) xang xa hoi. hieu ve cac luc va thanh dum cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((((sach ty) OR (sach thu))) OR (sach tu)) xang xa hoi. hieu ve cac luc va thanh dum cua te.
• Adding a wildcard symbol may retrieve word variants: so ((((sach ty) or (sach thu))) or (sach tu)) xang xa hoi. hieu ve cac luc va thanh dum cua te*.