Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung dung
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chiet tach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
tuong dan » huong dan, tung dan, xuong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) OR (chinh sach)) - thanh tuong dan ((nhung huong) or (nhung cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - thanh tuong dan ((nhung huong) OR (nhung cong)) dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chinh sach)) - thanh tuong dan ((nhung huong) or (nhung cong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chinh sach)) - thanh tuong dan ((nhung huong) or (nhung cong)) dan toan cao*.