Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan mong do snippets" » "nhan dong do snippets", "nhan tong do snippets", "nhanh dong do snippets", "nhan mong doi snippets", "nhan mong du 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: (((("nhan mong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan mong do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan mong do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan mong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.