Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach san cho snippets" » "bach dan cho snippets", "bach van cho snippets", "sach san cho snippets", "bach sang cho snippets", "bach san chi snippets", "bach san 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: (((("bach san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach san cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach san cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.