Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang phat du snippets" » "dang nhat du snippets", "hang phat du snippets", "nang phat du snippets", "dang pha du snippets", "dang pham duc snippets", "dang pham duy 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: (((("dang phat du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang phat du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang phat du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang phat du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.