Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam my doi snippets" » "dam may doi snippets", "dam me doi snippets", "dat my doi snippets", "dam ky doi snippets", "dam ly doi 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: (((("dam my doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam my doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam my doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam my doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.