Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sinh cua » manh cua, dinh cuu, sinh va
lang van » dang van, tang van, hoang van
cham duc » pham duc, cham soc, pham duy
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
duc ban » duc tan, duc van, dua ban
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay
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) OR (lang van)) hoi. hieu va 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) OR (lang van)) hoi. hieu va cham duc ban thanh ((vi cuu) OR (sinh cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((lang xa) OR (lang van)) hoi. hieu va cham duc ban thanh ((vi cuu) or (sinh cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sach ty ((lang xa) OR (lang van)) hoi. hieu va cham duc ban thanh ((vi cuu) or (sinh cua)) tre*.