Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"minh thu 23 snippets" » "minh thuy 23 snippets", "minh khue 23 snippets", "dinh thuy 23 snippets", "minh thu 3 snippets", "minh tu 23 snippets", "minh thu 23 slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("minh thu 23 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh thu 23 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh thu 23 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh thu 23 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.