Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac phai cua snippets" » "mach phan cua snippets", "tac pham cua snippets", "tac phat cua snippets", "mac thai cua snippets", "mac hai cua snippets", "mac phat 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: (((("mac phai 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: (((("mac phai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac phai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac phai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.