Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc nhan mon snippets" » "duc phan mon snippets", "dac nhan mon snippets", "luc nhan mon snippets", "duc nhap mon snippets", "duc nhan mo snippets", "duc nhan con 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: (((("duc nhan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc nhan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc nhan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc nhan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.