Perhaps you should try some spelling variations:
"coder precoder reference database problem" » "coder barcode reference database problem" (Expand search), "coder precos referente database problem" (Expand search), "coder barcodes reference database problem" (Expand search), "coder precoder reference database profiles" (Expand search), "coder precoder reference database program" (Expand search), "coder precoder reference database probacter" (Expand search), "coder decoder reference database problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons 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 precoder reference database problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder reference database problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder reference database problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder reference database problem") OR ("api python python python programming"))*.