Perhaps you should try some spelling variations:
"multistage designs fusion" » "multistage decision fusion", "multistage testing fusion", "multistage tests fusion", "multistage designs fashion", "multistage designs question", "multistage designs mission"
"multiscale design fusion" » "multistage design fusion", "multiscale decision fusion", "multiple design fusion", "multiscale design fashion", "multiscale design vision", "multiscale design function"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"multiscale design fusion\") OR (\"multistage designs fusion\"))*".
• Removing quotes may allow a broader search: (( multiscale design fusion ) OR ( multistage designs fusion ))*.