Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach cua tre snippets" » "manh cua tre snippets", "cach cua tre snippets", "sach cua tre snippets", "mach cua te snippets", "mach cuu tre snippets", "mach cua triet 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: (((("mach cua 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: (((("mach cua tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach cua tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach cua tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.