Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi moi cong snippets" » "chi noi cong snippets", "chi voi cong snippets", "chi tai cong snippets", "cho moi cong snippets", "thi moi cong snippets", "chi 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: (((("chi moi 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: (((("chi moi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi moi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi moi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.