Perhaps you should try some spelling variations:
xanh hanh » danh thanh, ban hanh, van hanh
thu sach » tu sach, thuat sach, thuoc sach
suc xanh » suc manh, suc canh, tuoc xanh
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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: thu sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) suc xanh hanh ((vai cua) OR (lai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) suc xanh hanh ((vai cua) or (lai cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) suc xanh hanh ((vai cua) or (lai cua)) tre*.