Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
thanh di » thanh de, thanh do, thanh dinh
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
van cam » van nam, van lam, van cau
van dau » van dao, phan dau
xuc gia » duc gia, luc gia, tuc gia
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: te sach y nang x hoi. hieu ((van cam) or (van dau)) xuc gia ((thanh di) OR (thanh doi)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu ((van cam) OR (van dau)) xuc gia ((thanh di) OR (thanh doi)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang x hoi. hieu ((van cam) or (van dau)) xuc gia ((thanh di) OR (thanh doi)) cua viet".
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu ((van cam) or (van dau)) xuc gia ((thanh di) OR (thanh doi)) cua viet*.