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