Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu danh da snippets" » "dieu hanh da snippets", "tieu danh da snippets", "dia danh da snippets", "dieu danh dau snippets", "dieu dan da snippets", "dieu danh ca 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: (((("dieu danh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu danh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu danh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu danh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.