Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu cong se snippets" » "thu cong se snippets", "te cong se snippets", "tai cong se snippets", "tu cong so snippets", "tu con se snippets", "tu cong de 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: (((("python using java snippets") or ("tu cong se snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tu cong se snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tu cong se snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tu cong se snippets"))) or ("locating bug code snippets"))*.