Perhaps you should try some spelling variations:
thong minh » hoang minh
ban thong » ban trong, ban tuong, ban tong
bai thong » bai trong, tai thuong, hai thuong
thu sach » tu sach, thuat sach, thuoc sach
sach cha » sach nha, sach che, sach ha
giai bai » gia ba
gioi ban » gioi van, gioi bon, gioi can
de giai » dan giai, kem giai
cha de » cha me, chat deo, cham den
cha ve » cha me, pha ve, cha va
ca ve » ca va, va ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu sach cha de giai bai thong tin ) or ( thu sach ((cha ve) OR (ca ve)) gioi ban thong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu sach cha de giai bai thong tin ) OR ( thu sach ((cha ve) OR (ca ve)) gioi ban thong minh )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( thu sach cha de giai bai thong tin ) or ( thu sach ((cha ve) OR (ca ve)) gioi ban thong minh ))".
• Adding a wildcard symbol may retrieve word variants: (( thu sach cha de giai bai thong tin ) or ( thu sach ((cha ve) OR (ca ve)) gioi ban thong minh ))*.