Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
vu khanh » vu thanh, van khanh, duy khanh
thuc ban » thuoc ban, thuc dan, thu ban
vai cua » dai cua, hai cua, lai cua
co thuc » do thuc, co thua, mo thuc
cua te » cua tu
va co » vo co
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: ((((vu khanh) OR (vu kham))) OR (thuoc sach)) ky nang x hoi. lieu va co thuc ban thanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((vu khanh) OR (vu kham))) OR (thuoc sach)) ky nang x hoi. lieu va co thuc ban thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((((vu khanh) OR (vu kham))) OR (thuoc sach)) ky nang x hoi. lieu va co thuc ban thanh vai cua te*.