Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac van ve snippets" » "tac vang ve snippets", "cac van ve snippets", "tac va ve snippets", "tac van de snippets", "tac ban ve snippets", "tac van le 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 van ve 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 van ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac van ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac van ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.