Perhaps you should try some spelling variations:
thuc day » thuc vat
danh dau » lanh dao, hang dau, danh tu
thuc dan » thuc hanh, hoc dan, thuc vat
toc sach » hoc sach, doc sach, thuoc sach
thi van » thi lan, thi hanh, thi nang
nang xa » nang x, lang xa, nang ma
dau cuu » dau cua, dau cuoi
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y nang xa hoi. ((thien van) or (thi van)) nham ((thuc day) or (thuc dan)) danh dau cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang xa hoi. ((thien van) OR (thi van)) nham ((thuc day) OR (thuc dan)) danh dau cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc sach y nang xa hoi. ((thien van) or (thi van)) nham ((thuc day) or (thuc dan)) danh dau cuu tre*.