Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diem ha chi snippets" » "liem ha chi snippets", "diem a chi snippets", "diem cau chi snippets", "diem hai chi snippets", "diem ho chi snippets", "diem ha thi 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: (((("diem ha chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diem ha chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diem ha chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diem ha chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.