Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh hoai
lam thuc » lam thuoc, am thuc, nam thuc
thanh do » thanh de, thanh pho, thanh hoa
hieu van » hieu va, thien van, lieu va
danh doi » danh di, dung doi, danh hoa
so sanh » do sanh
van lam » van nam
nang ma » tang ma, sang ma, nang cao
sanh y » sinh y, anh y, hanh y
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh y nang ma hoi. hieu van lam thuc vat ((danh doi) or (((thanh doi) OR (thanh do)))) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh y nang ma hoi. hieu van lam thuc vat ((danh doi) OR (((thanh doi) OR (thanh do)))) cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh y nang ma hoi. hieu van lam thuc vat ((danh doi) or (((thanh doi) OR (thanh do)))) cua tu".
• Adding a wildcard symbol may retrieve word variants: so sanh y nang ma hoi. hieu van lam thuc vat ((danh doi) or (((thanh doi) OR (thanh do)))) cua tu*.