Perhaps you should try some spelling variations:
"an approximation error coding program" » "an approximation theory coding program" (Expand search), "an approximation method coding program" (Expand search), "an approximation of coding program" (Expand search), "an approximation error cloning program" (Expand search), "an approximation error loading program" (Expand search), "an approximation error cooling programs" (Expand search), "an approximation error modeling program" (Expand search), "an approximation vector coding program" (Expand search), "an approximation color coding program" (Expand search)
"advanced python programming coding program" » "advanced python programming using program" (Expand search), "advanced python programming code program" (Expand search), "advanced python programming computing program" (Expand search), "advanced method programming coding program" (Expand search), "advanced path programming coding program" (Expand search), "advanced symphony programming coding program" (Expand search), "advanced python programming cloning program" (Expand search), "advanced python programming loading program" (Expand search), "advanced python programming cooling programs" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("an approximation error coding program") OR ("advanced python programming coding program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"an approximation error coding program\") OR (\"advanced python programming coding program\"))*".
• Removing quotes may allow a broader search: (( an approximation error coding program ) OR ( advanced python programming coding program ))*.