Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong nhat da snippets" » "dong nhat code snippets", "dang nhat da snippets", "cong nhat da snippets", "dung nhat da snippets", "dong nha da snippets", "dong nhat de snippets", "dong nhat ha 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 nhat 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 nhat da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong nhat da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nhat da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.