Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang su du snippets" » "dang so du snippets", "dang su tu snippets", "dang su cu snippets", "dan su du snippets", "dung su du snippets", "dong su du 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: (((("dang su 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: (((("dang su du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang su du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang su du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.