Perhaps you should try some spelling variations:
dieu tra » dieu tri, kiem tra, dieu cua
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
xang xa » lang xa, mang xa, ang xa
sach ty » sach y, sach tu, sach thu
de cua » le cua, te cua, dieu cua
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, va cam, ve cai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang xa hoi. hieu ((ve cam) OR (ve cac)) tuc va hanh ((de cua) OR (dieu tra)) te~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu ((ve cam) or (ve cac)) tuc va hanh ((de cua) or (dieu tra)) te*.