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