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