Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan mon que snippets" » "nhap mon que snippets", "nhan mo que snippets", "nhan con que snippets", "nhan hon que snippets", "nhan mon qua snippets", "nhan thon que 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 mon que 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 mon que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan mon que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan mon que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.