Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua dung co snippets" » "qua dung co snippets", "qua duong co snippets", "suat dung co snippets", "bua dung cho snippets", "bua dung cong snippets", "bua dung cua 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: (((("bua dung 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: (((("bua dung co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua dung co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua dung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.