Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con than chi snippets" » "cong thanh chi snippets", "cong thang chi snippets", "son thanh chi snippets", "con toan chi snippets", "con thon chi snippets", "con thai chi 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: (((("con than chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con than chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con than chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con than chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.