Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam te cong snippets" » "dam tai cong snippets", "dam thi cong snippets", "dam thu cong snippets", "dam me cong snippets", "dam de cong snippets", "dam tu 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: (((("dam 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: (((("dam te cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam te cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.