Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dun dao dong snippets" » "dun lao dong snippets", "dun ha dong snippets", "dun bat dong snippets", "duc dao dong snippets", "dan dao dong snippets", "dun do dong 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: (((("dun dao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dun dao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dun dao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dun dao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.