Perhaps you should try some spelling variations:
tinh hinh » tinh ninh, tinh binh, linh chinh
hinh cuu » dinh cuu, vinh cuu, hinh cua
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
va tinh » may tinh
tu cham » toc cham, thi cham
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
ve cham » ve chat, vu cham, ve chim
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky dang ha hoi. hieu ((((ve cham) OR (va cham))) or (tu cham)) hoc va tinh hinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang ha hoi. hieu ((((ve cham) OR (va cham))) OR (tu cham)) hoc va tinh hinh cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky dang ha hoi. hieu ((((ve cham) OR (va cham))) or (tu cham)) hoc va tinh hinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang ha hoi. hieu ((((ve cham) OR (va cham))) or (tu cham)) hoc va tinh hinh cuu tre*.