Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan gen tre snippets" » "nhan vien tre snippets", "nhan dien tre snippets", "nhan tren tre snippets", "nhan ben tre snippets", "nhan benh tre snippets", "nhan gian tre 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 gen tre 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 gen tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan gen tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan gen tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.