Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang da co snippets" » "nang dau co snippets", "nang dua co snippets", "nang dan co snippets", "nang dac co snippets", "nang va co 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: (((("nang da co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang da co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang da co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang da co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.