Perhaps you should try some spelling variations:
dam thuc » am thuc, dan thuc, nam thuc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va danh » va dinh, va hanh, dia danh
cam tu » cam thu, nam tu, dam tu
va dan » ca dan, va dao, va dau
cuc te » cua te, cuc thue, cuc tieu

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 ky lang xa hoi. lieu va ((dam thuc) or (cam tu)) ((va danh) or (va dan)) tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. lieu va ((dam thuc) OR (cam tu)) ((va danh) OR (va dan)) tai cuc te.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. lieu va ((dam thuc) or (cam tu)) ((va danh) or (va dan)) tai cuc te*.