Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sau mo cong snippets" » "sau moi cong snippets", "sau mot cong snippets", "sau mo rong snippets", "dau mo cong snippets", "su mo 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: (((("sau mo 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: (((("sau mo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sau mo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sau mo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.