Perhaps you should try some spelling variations:
"engine optimization python computer program" » "engine optimization method computer program" (Expand search), "engine optimization option computer program" (Expand search), "engine optimization methods computer program" (Expand search)
"advanced modulation in coding program" » "advanced calculation in coding program" (Expand search), "advanced oxidation in coding program" (Expand search), "advanced modulation in cloning program" (Expand search), "advanced modulation in loading program" (Expand search), "advanced modulation in cooling programs" (Expand search), "advanced modulation of coding program" (Expand search), "advanced modulation on coding program" (Expand search), "advanced modulation in decoding program" (Expand search), "advanced modulation non coding program" (Expand search)

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: "((\"advanced modulation in coding program\") OR (\"engine optimization python computer program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation in coding program ) OR ( engine optimization python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation in coding program") OR ("engine optimization python computer program"))*.