Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac dan ve snippets" » "cac dan ve snippets", "dao dan ve snippets", "dac san ve snippets", "dac ban ve snippets", "dac dan va snippets", "dac dan viet 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: (((("dac dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.