Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den soc du snippets" » "dan soc du snippets", "den hoc du snippets", "den son du snippets", "den soc dieu snippets", "den soc duoc 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 soc du 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 soc du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den soc du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den soc du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.