Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"loc van tang snippets" » "loc van thang snippets", "loc van trang snippets", "loc van nang snippets", "luoc van tang snippets", "hoc van tang snippets", "lo van tang snippets", "loc van tang 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: (((("loc van tang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loc van tang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loc van tang snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loc van tang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.