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