Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap xu cau snippets" » "phap tu cau snippets", "phap thu cau snippets", "phap ngu cau snippets", "phap cu cau snippets", "phap su 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: (((("phap xu 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: (((("phap xu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap xu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap xu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.