Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cuong danh » cuon danh, cuong linh, cong dan
tang luan » dung luan
luan hung » luan chung, lan hung, luan ung
anh tang » anh bang, anh dang, anh nang
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 (chieu tinh)) - anh tang luan hung ((cuong danh) OR (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - anh tang luan hung ((cuong danh) OR (huong dan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu tinh)) - anh tang luan hung ((cuong danh) OR (huong dan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - anh tang luan hung ((cuong danh) OR (huong dan)) toan cao*.