Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rua ca cong snippets" » "rua cua cong snippets", "rua cac cong snippets", "rua cao cong snippets", "qua ca cong snippets", "trua cua 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: (((("rua ca 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: (((("rua ca cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rua ca cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rua ca cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.