Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat cong coc snippets" » "may cong coc snippets", "mai cong coc snippets", "mot cong coc snippets", "mat cong cuoc snippets", "mat cong cac snippets", "mat cong co 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: (((("mat cong coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat cong coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat cong coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat cong coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.