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