Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cher ming ho snippets" » "cher min ho snippets", "cher ming zhao snippets", "cher minh hoa snippets", "cheri ming ho snippets", "che ming ho snippets", "chen ming ho 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: (((("cher ming ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cher ming ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cher ming ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cher ming ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.