Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
tu sach » thu sach, su sach, te sach
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
cam suc » cam xuc, cao suc, cham soc
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
nang xa » lang xa, nang ma, mang xa
ve cam » ve cham, ve cac, va cam

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