Perhaps you should try some spelling variations:
hanh dieu » han dieu, hinh dieu, hoang dieu
toc sach » hoc sach, doc sach, thuoc sach
phuc van » thuc van, phuc va, chuc van
van hanh » van thanh, ban hanh, van anh
cau phuc » cau truc, chau phu, huu phuc
nang xa » lang xa, nang ma, mang xa
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
ve cau » ke cau, va cau, ve cac
cua te » cua tu

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: toc sach y ((nang xa) OR (nang x)) hoi. hieu ve cau phuc van hanh dieu ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y ((nang xa) OR (nang x)) hoi. hieu ve cau phuc van hanh dieu ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: toc sach y ((nang xa) OR (nang x)) hoi. hieu ve cau phuc van hanh dieu ((cua tre) or (cua te))*.