Perhaps you should try some spelling variations:
thien van » thi van
dam thuc » am thuc, dan thuc, nam thuc
hanh dan » thanh dan, hanh san, canh dan
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van dam » van nam, van dao, van dau
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, ban hanh
su viet » so viet
dan su » dang su
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: tu sach ky nang x hoi. thien van dam thuc va hanh dan su viet~.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. thien van dam thuc va hanh dan su viet*.