Perhaps you should try some spelling variations:
phan dau » phan tu, hang dau
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van cau » van dau, van hau, van chat
thuc va » thuc vat, thuc dan, thuc day
tuc va » truc va, tuc xa, duc va
x hoi » xa hoi, o hoi, x ho
kem » kiem

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu ((van cau) OR (phan dau)) ((tuc va) OR (thuc va)) hanh kem su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. hieu ((van cau) or (phan dau)) ((tuc va) OR (thuc va)) hanh kem su triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu ((van cau) or (phan dau)) ((tuc va) OR (thuc va)) hanh kem su triet*.