Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
nuoc sach » nguoi sach, hoc sach, cuoc cach
nhan thuc » nhan luc, dan thuc, toan thuc
va nhan » van nhan, ca nhan, va phan
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
xang x » nang x
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: ((nuoc sach) or (thuat lanh)) ty xang x hoi. lieu va nhan thuc ((va danh) OR (va dinh)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nuoc sach) OR (thuat lanh)) ty xang x hoi. lieu va nhan thuc ((va danh) OR (va dinh)) vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nuoc sach) or (thuat lanh)) ty xang x hoi. lieu va nhan thuc ((va danh) OR (va dinh)) vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((nuoc sach) or (thuat lanh)) ty xang x hoi. lieu va nhan thuc ((va danh) OR (va dinh)) vai cuu tre*.