Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ha di snippets" » "cong hoa di snippets", "dong ha di snippets", "cong tac di snippets", "cong hai di snippets", "cong pa di snippets", "cong da di 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: (((("cong ha di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong ha di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ha di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ha di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.