Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
dieu cua » dieu tra
su sach » so sach, vu sach
duc van » duc va, duc tan, duc manh
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
ve cac » va cac, vien cac

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 xang xa hoi. hieu ((va cam) or (ve cac)) duc van thanh ((vi cua) or (dieu cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang xa hoi. hieu ((va cam) OR (ve cac)) duc van thanh ((vi cua) OR (dieu cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. hieu ((va cam) or (ve cac)) duc van thanh ((vi cua) or (dieu cua)) tre*.