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