Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den than go snippets" » "den thanh go snippets", "dien than go snippets", "dan than go snippets", "den than vo snippets", "den than o snippets", "den than so 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: (((("den than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den than go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den than go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.