Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
phuc van » thuc van, phuc va, chuc van
thanh tu » hanh tu, nhanh tu, thanh tung
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
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: su sach y nang x hoi. hieu ((ke cau) OR (ket cau)) phuc van thanh tu va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang x hoi. hieu ((ke cau) OR (ket cau)) phuc van thanh tu va triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang x hoi. hieu ((ke cau) OR (ket cau)) phuc van thanh tu va triet*.