Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"len con coi snippets" » "len cong coi snippets", "lon con coi snippets", "le con coi snippets", "len con chi snippets", "len con co snippets", "len con chim snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("len con coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("len con coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( len con coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("len con coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.