Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan lang he snippets" » "nhanh lang he snippets", "nhan dang he snippets", "nhon lang he snippets", "nhan lang ha snippets", "nhan bang he snippets", "nhan lang ke 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 lang he 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 lang he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan lang he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan lang he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.