Perhaps you should try some spelling variations:
thanh nghia » thanh nghi, thanh nga, thanh nha
da thanh » dao thanh, dat thanh, dam thanh
cam thuc » am thuc, nam thuc, cam thu
vu sach » su sach, vu khach
cua tre » cuu tre, cua triet, dua tren
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
thuc da » thuc dan, thuc day, thuc dia
ve cam » ve cham, ve cac, va cam
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) ty nang x hoi. hieu ve cam thuc da thanh nghia ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (vu bach)) ty nang x hoi. hieu ve cam thuc da thanh nghia ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (vu bach)) ty nang x hoi. hieu ve cam thuc da thanh nghia ((cua tre) or (cua te))*.