Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham phan do snippets" » "phap phan do snippets", "pham phap do snippets", "pham nhan do snippets", "pham phan bo snippets", "pham phan co snippets", "pham phan mo 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 phan do 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 phan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham phan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham phan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.