Perhaps you should try some spelling variations:
dinh bang » dinh lang, dinh rang, dinh dang
hoc sach » hoc sinh, hoc cac, hoc anh
dinh ban » dinh van, dinh ba, sinh ban
nam thuc » nam thuoc, am thuc, nam thu
ty nang » ky nang, ty xang, ty hang
cam tuc » cam xuc, cam tu, dam thuc
sach ty » sach y, sach tu, sach thu
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: hoc sach ty nang x hoi. lieu va ((cam tuc) OR (nam thuc)) va ((dinh ban) or (dinh bang)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ty nang x hoi. lieu va ((cam tuc) OR (nam thuc)) va ((dinh ban) OR (dinh bang)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ty nang x hoi. lieu va ((cam tuc) OR (nam thuc)) va ((dinh ban) or (dinh bang)) cua te".
• Adding a wildcard symbol may retrieve word variants: hoc sach ty nang x hoi. lieu va ((cam tuc) OR (nam thuc)) va ((dinh ban) or (dinh bang)) cua te*.