Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con than cho snippets" » "cong thanh cho snippets", "cong thang cho snippets", "son thanh cho snippets", "con han cho snippets", "con toan cho snippets", "con chan cho 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 cho 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 cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con than cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con than cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.