Perhaps you should try some spelling variations:
nam thuoc » nam thu, nha thuoc, cay thuoc
thanh dai » thanh hai, thanh tai, thanh dat
dang xay » dang van, van xay
nam thuc » am thuc, nam thu, nam tu
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
cua tuc » cua duc, cua tu, cua thuoc

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 ky dang xay hoi. hieu va ((nam thuc) or (nam thuoc)) va thanh dai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang xay hoi. hieu va ((nam thuc) OR (nam thuoc)) va thanh dai cua tuc.
• Adding a wildcard symbol may retrieve word variants: vu sach ky dang xay hoi. hieu va ((nam thuc) or (nam thuoc)) va thanh dai cua tuc*.