Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
qua cham » qua hai, qua cac, va cham
cham duc » pham duc, cham soc, pham duy
sinh cua » manh cua, dinh cuu, sinh va
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
duc ban » duc tan, duc van, dua ban
vi cuu » vi luu, vinh cuu

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 ty lang xa hoi. hieu qua cham duc ban thanh ((vi cuu) or (sinh cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty lang xa hoi. hieu qua cham duc ban thanh ((vi cuu) OR (sinh cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty lang xa hoi. hieu qua cham duc ban thanh ((vi cuu) or (sinh cua)) tre*.