Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham hoai ho snippets" » "pham hoa ho snippets", "pham hoang ho snippets", "pham khoa ho snippets", "pham thoai ho snippets", "pham hoat ho 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 hoai ho 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 hoai ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham hoai ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham hoai ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.