Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham cuc cau snippets" » "pham chuc cau snippets", "pham duc cau snippets", "pham cua cau snippets", "pham cu cau snippets", "pham cac 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: (((("pham cuc 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: (((("pham cuc cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham cuc cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham cuc cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.