Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach cap phe snippets" » "sach dao phe snippets", "sach bai phe snippets", "sach xa phe snippets", "sach ca phe snippets", "sach lap phe snippets", "sach cap nghe 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: (((("sach cap phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach cap phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach cap phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cap phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.