Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat nhat de snippets" » "dat nhat code snippets", "dai nhat de snippets", "dang nhat de snippets", "xuat nhat de snippets", "dat nhat ve snippets", "dat nhat le snippets", "dat chat deo 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: (((("dat nhat de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat nhat de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat nhat de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat nhat de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.