Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan mo so snippets" » "nhan my so snippets", "phan mo so snippets", "nhap mon so snippets", "nhan mot so snippets", "nhan mo soi snippets", "nhan ma so 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: (((("nhan mo so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan mo so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan mo so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan mo so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.