Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi va da snippets" » "hoi va da snippets", "chai va da snippets", "cho va da snippets", "choi va dao snippets", "choi va dau snippets", "choi va dap 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: (((("choi va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi va da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.