Perhaps you should try some spelling variations:
"coder string using algorithms complexity" » "coder string using algorithmic complexity" (Expand search), "coder string routing algorithms complexity" (Expand search), "coder string mining algorithms complexity" (Expand search), "coder string making algorithms complexity" (Expand search), "cordel string using algorithms complexity" (Expand search), "closed string using algorithms complexity" (Expand search), "modelo string using algorithms complexity" (Expand search), "coder scoring using algorithms complexity" (Expand search), "coder sharing using algorithms complexity" (Expand search), "coder sparing using algorithms complexity" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes python python programming" (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: (("coder string using algorithms complexity") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder string using algorithms complexity\") OR (\"api pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coder string using algorithms complexity ) OR ( api pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder string using algorithms complexity") OR ("api pitons python python programming"))*.