Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
dang xay » dang van, van xay
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cua triet, dua tren
dan vai » dan va, dan tai, dan vat
toc sac » toc sach, toc san, hoc sach
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
cuu tre » cau tren, cau treo
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky dang xay hoi. hieu va nam thuc va dan vai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ky dang xay hoi. hieu va nam thuc va dan vai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: toc sac ky dang xay hoi. hieu va nam thuc va dan vai ((cua tre) OR (cuu tre))*.