Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van cam » van nam, van cau, van dam
van lam » van nam
cua chu » sua chua
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
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: tu sach ky nang x hoi. hieu ((van cam) OR (van lam)) tuc va thanh tai ((cua te) or (cua chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. hieu ((van cam) OR (van lam)) tuc va thanh tai ((cua te) OR (cua chu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. hieu ((van cam) OR (van lam)) tuc va thanh tai ((cua te) or (cua chu))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu ((van cam) OR (van lam)) tuc va thanh tai ((cua te) or (cua chu))*.