Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cau thuc » cau truc, cuu thuc, can thuc
thuc dan » thuc hanh, hoc dan, thuc vat
dan danh » van danh, han danh, ban danh
danh vi » hanh vi, dinh vi, danh di
te sach » toc sach
ky tang » ky nang, ky dang, kho tang
tang ha » lang ha, tang ma, trung ha
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
ve cau » ke cau, va cau, ve cac
ha hoi » hoa hoi, ha noi, xa hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (te sach)) ky tang ha hoi. hieu ve cau thuc dan danh vi ((cuu tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (te sach)) ky tang ha hoi. hieu ve cau thuc dan danh vi ((cuu tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (te sach)) ky tang ha hoi. hieu ve cau thuc dan danh vi ((cuu tre) or (cua triet))*.