Perhaps you should try some spelling variations:
ban hanh » ban hang
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
cua tre » cuu tre, cua triet, dua tren
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
sang xa » song xa, lang xa, sang ma
ky sang » ky nang, ky dang, ky tang
ve cam » ve cham, ve cac, va cam
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: su sach ky sang xa hoi. hieu ve cam xuc ((ban hanh) or (va thanh)) lai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang xa hoi. hieu ve cam xuc ((ban hanh) OR (va thanh)) lai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky sang xa hoi. hieu ve cam xuc ((ban hanh) or (va thanh)) lai ((cua tre) or (cua te))*.