Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dien cac phe snippets" » "vien cac phe snippets", "dien cuc phe snippets", "dien sach phe snippets", "dien cac he snippets", "dien cac che snippets", "dien ca phe 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: (((("dien cac phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dien cac phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dien cac phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dien cac phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.