Perhaps you should try some spelling variations:
"mixed integer linear program" » "mixed integer linear programs", "mixed integer linear programming"
"Mixed integer linear programmingmingmingmingmingmings" » "Mixed integer linear programsmingmingmingmingmingmings", "Mixed integer linear programmingmingmingmingmingmingmings"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("mixed integer linear program") or ("Mixed integer linear programmingmingmingmingmingmings"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("mixed integer linear program") OR ("Mixed integer linear programmingmingmingmingmingmings"))*.
• Removing quotes may allow a broader search: (( mixed integer linear program ) or ( Mixed integer linear programmingmingmingmingmingmings ))*.