Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tuong su » thuong su, thong su, tuong tu
dan chan » dan gian, dan ca
van chat » cao chat

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 - thanh tuong su dung cong ((dan chan) OR (van chat)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tuong su dung cong ((dan chan) OR (van chat)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tuong su dung cong ((dan chan) OR (van chat)) cau*.