Perhaps you should try some spelling variations:
"advanced optimization python computer program" » "variance optimization python computer program" (Expand search), "and optimization python computer program" (Expand search), "advanced oxidation python computer program" (Expand search), "advanced optimization method computer program" (Expand search), "advanced optimization option computer program" (Expand search), "advanced optimization methods computer program" (Expand search)
"by compositional data coding program" » "_ compositional data coding program" (Expand search), "of compositional data coding program" (Expand search), "by composition data coding program" (Expand search), "by compositional data cloning program" (Expand search), "by compositional data loading program" (Expand search), "by compositional data cooling programs" (Expand search), "by compositional data recording program" (Expand search), "by compositional data crossing 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: "((\"by compositional data coding program\") OR (\"advanced optimization python computer program\"))~".
• Removing quotes may allow a broader search: (( by compositional data coding program ) OR ( advanced optimization python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("by compositional data coding program") OR ("advanced optimization python computer program"))*.