Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
va thanh » gia thanh, ban thanh, va tinh
vien cua » dien cua, tien cua, bien cua
hai duc » hoai duc, mai duc, ha duc
y nang » ky nang, ly nang, v nang
va hai » van hai, va chai, va khai
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: hoc sach y nang x hoi. lieu va hai duc va thanh ((vien cua) OR (viec cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach y nang x hoi. lieu va hai duc va thanh ((vien cua) OR (viec cua)) triet".
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang x hoi. lieu va hai duc va thanh ((vien cua) OR (viec cua)) triet*.