Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
minh dai » minh dao, sinh dai, minh hai
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
thuc va » thuc vat, thuc dan, thuc day
tu cach » tu cac
ky dang » ky nang, ky danh
te sach » toc sach
tuc va » truc va, tuc xa, duc va
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ky dang cay phoi. lieu va cam ((tuc va) OR (thuc va)) minh dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky dang cay phoi. lieu va cam ((tuc va) OR (thuc va)) minh dai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (te sach)) ky dang cay phoi. lieu va cam ((tuc va) OR (thuc va)) minh dai cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky dang cay phoi. lieu va cam ((tuc va) OR (thuc va)) minh dai cua viet*.