Perhaps you should try some spelling variations:
thanh nghia » thanh nghi, thanh nga, thanh nha
thuc dan » thuc hanh, hoc dan, thuc vat
su sach » so sach, vu sach
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
thuc da » thuc day, thuc dia, thuc va
cua te » cua tu
sach v » sach va, sach y, sach 2
ve cam » ve cham, ve cac, va cam
v nang » va nang, vu nang, van 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: su sach v nang x hoi. hieu ve cam ((thuc da) OR (thuc dan)) thanh nghia ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang x hoi. hieu ve cam ((thuc da) OR (thuc dan)) thanh nghia ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang x hoi. hieu ve cam ((thuc da) OR (thuc dan)) thanh nghia ((cua tre) or (cua te))*".