Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su sach » so sach
van anh » tuan anh, van minh
hieu va » lieu va, hieu qua
tao cao » bao cao, toan cao
vu sach » vu bach, vu khach
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
cao xa » cao va, cho xa, bao xa
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu sach)) tao cao xa hoi. hieu va cam xuc ((van anh) OR (van thanh)) va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) tao cao xa hoi. hieu va cam xuc ((van anh) OR (van thanh)) va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) tao cao xa hoi. hieu va cam xuc ((van anh) OR (van thanh)) va cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) tao cao xa hoi. hieu va cam xuc ((van anh) OR (van thanh)) va cuu tre*.