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