Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"que tac van snippets" » "quy tac van snippets", "que tai van snippets", "que tran van snippets", "que tac vang snippets", "que cac van snippets", "que tac va snippets", "que tac van slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("que tac van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("que tac van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( que tac van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("que tac van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.