Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei ban noi snippets" » "web ban noi snippets", "wei tan noi snippets", "wei pan noi snippets", "wei ban nuoi snippets", "wei ban moi snippets", "wei van noi 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: (((("wei ban noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei ban noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wei ban noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei ban noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.