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