Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha da cua snippets" » "pha du cua snippets", "nha da cua snippets", "phan dau cua snippets", "pha dai cua snippets", "pha day cua snippets", "pha dan 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: (((("pha da 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: (((("pha da cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha da cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha da cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.