Perhaps you should try some spelling variations:
ban hanh » ban hang
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
cac cuc » cac cuoc, cac cua, cac nuoc
ban anh » ban banh, ban danh, bang anh
cua tuc » cua duc, cua tu, cua thuoc
de cua » le cua, te cua, dieu cua
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((x hoi) or (xa hoi)). hieu va cac cuc ((ban anh) or (ban hanh)) de cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((x hoi) OR (xa hoi)). hieu va cac cuc ((ban anh) OR (ban hanh)) de cua tuc.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((x hoi) or (xa hoi)). hieu va cac cuc ((ban anh) or (ban hanh)) de cua tuc*.