Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong nha da snippets" » "dong nha code snippets", "dong nhan da snippets", "dong nhat da snippets", "dong ha da snippets", "dong nha ha snippets", "dong nha va snippets", "dong nhan dan snippets"
"python using java snippets" » "python using data 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: (((("dong nha da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong nha da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong nha da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nha da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.