Perhaps you should try some spelling variations:
hang dien » quang dien, dang dieu, nhan dien
dien cua » dieu cua, dien cuc, dien cu
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hang » van hang, va nang, va lang
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
cua te » cua tu
o hoi » co hoi, o hoc, o hoa
o hai » co hai, so hai, o lai

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: te sach ky nang ((o hoi) OR (o hai)). hieu ve cau luc va hang dien cua te~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((o hoi) or (o hai)). hieu ve cau luc va hang dien cua te*.