Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
thuc truong » thuc trong, thuc trang, thi truong
thien van » thi van
thanh tai » thanh hai, thanh toan, doanh tai
ban thuc » ban thuoc, dan thuc, van thuc
tu sach » thu sach, su sach, tu cach
te sach » toc sach
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
y nang » ky nang, ly nang, v nang
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) or (te sach)) y nang x hoi. thien van ban thuc truong thanh tai ((cuu tre) OR (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y nang x hoi. thien van ban thuc truong thanh tai ((cuu tre) OR (cua tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) y nang x hoi. thien van ban thuc truong thanh tai ((cuu tre) OR (cua tre))".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) y nang x hoi. thien van ban thuc truong thanh tai ((cuu tre) OR (cua tre))*.