Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei nang doc snippets" » "wei tang doc snippets", "wei fang doc snippets", "wei wang doc snippets", "wei nang luc 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 nang doc 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 nang doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wei nang doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei nang doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.