Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
hieu van » hieu va, thien van, lieu va
lam thuc » lam thuoc, am thuc, nam thuc
danh doi » danh di, danh hoa, tinh doi
dung doi » huong doi, dung tai, dung co
nang xa » nang x, lang xa, nang ma
van lam » van nam
sanh y » sinh y, anh y, hanh y
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: do sanh y nang xa hoi. hieu van lam thuc vat ((((danh doi) or (dung doi))) or (thanh doi)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do sanh y nang xa hoi. hieu van lam thuc vat ((((danh doi) OR (dung doi))) OR (thanh doi)) cua tu.
• Adding a wildcard symbol may retrieve word variants: do sanh y nang xa hoi. hieu van lam thuc vat ((((danh doi) or (dung doi))) or (thanh doi)) cua tu*.