Perhaps you should try some spelling variations:
hanh vinh » thanh vinh, khanh vinh, hanh tinh
vinh cuu » dinh cuu, sinh cua, dinh cu
cuc ban » cua ban, cuu ban, duc ban
cac ban » cac dan, cac van, can ban
te sach » toc sach
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
vu sach » vu bach, su sach, vu khach
cuu tre » cua tre, cau tren, cau treo
x hoi » xa hoi, o hoi, x ho

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) or (vu sach)) ky nang x hoi. hieu ve pham ((cuc ban) OR (cac ban)) hanh vinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (vu sach)) ky nang x hoi. hieu ve pham ((cuc ban) OR (cac ban)) hanh vinh cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (vu sach)) ky nang x hoi. hieu ve pham ((cuc ban) OR (cac ban)) hanh vinh cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu sach)) ky nang x hoi. hieu ve pham ((cuc ban) OR (cac ban)) hanh vinh cuu tre*.