Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhanh ha so snippets" » "thanh hoa so snippets", "thanh hai so snippets", "khanh hoa so snippets", "nhanh ha son snippets", "nhanh hai so snippets", "nhanh ham 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: (((("nhanh ha 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: (((("nhanh ha so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh ha so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh ha so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.