Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh huong, thanh cuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong van » cong vang, cong san, song van
chat cao » chat cho, chat bao, chat cam
chat co » thuat co, chat cua, chat deo

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

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