Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quai tan vo snippets" » "quan tai vo snippets", "hai tan vo snippets", "bui tan vo snippets", "quai than vo snippets", "quai tan voi snippets", "quai tan va 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: (((("quai tan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quai tan vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quai tan vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quai tan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.