Perhaps you should try some spelling variations:
giai tuong » giai thuong, gian muong, giai phong
sach hinh » sach kinh, sach danh, sach han
gia tuong » gia cuong, gian muong, gia cong
doi gian » don gian, doi giam, toi gian
tinh doi » trinh doc, trinh do, tinh hoc
hinh tai » chinh tai, hinh thai, chinh tri
hinh bai » hinh thai, tinh bac, anh bai
hinh bi » hinh ai, chinh vi, hinh toi
te sach » toc sach
su sac » su sach, su cac
su xac » pu xac, su cac
bi gia » bi giao, bui gia, bai giai

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: "((((\"te sach hinh bi gia tuong\") or (\"te sach ((hinh bai) OR (hinh tai)) giai tuong\"))) or (\"((su sac) OR (su xac)) tinh doi gian trong\"))*".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((((\\"te sach hinh bi gia tuong\\") or (\\"te sach ((hinh bai) OR (hinh tai)) giai tuong\\"))) or (\\"((su sac) or (su xac)) tinh doi gian trong\\"))*\"".
• Removing quotes may allow a broader search: (((( te sach hinh bi gia tuong ) or ( te sach ((hinh bai) OR (hinh tai)) giai tuong ))) or ( ((su sac) or (su xac)) tinh doi gian trong ))*.