Perhaps you should try some spelling variations:
thanh nghia » thanh nghi, thanh nga, thanh nha
cua triet » cua viet, su triet, va triet
cac thuc » cach thuc, cac thu, can thuc
da thanh » dao thanh, dat thanh, dam thanh
cua tre » cua te, cuu tre, dua tren
thuc da » thuc dan, thuc day, thuc dia
sach ty » sach tu, sach thu, xach tay
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
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: vu ((sach ty) OR (sach y)) nang x hoi. hieu ve cac thuc da thanh nghia ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach ty) OR (sach y)) nang x hoi. hieu ve cac thuc da thanh nghia ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach ty) OR (sach y)) nang x hoi. hieu ve cac thuc da thanh nghia ((cua tre) or (cua triet))*".