Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh va da snippets" » "trinh va code snippets", "trinh van da snippets", "trinh vat da snippets", "trinh ve da snippets", "trinh va dao snippets", "trinh va dau snippets", "trinh va dap 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: (((("trinh va 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: (((("trinh va da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trinh va da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh va da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.