Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi dan co snippets" » "hoi dan code snippets", "hoa dan co snippets", "hoc dan co snippets", "hoi dap co snippets", "hoi dan cho snippets", "hoi dang co snippets", "hoi danh co 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: (((("hoi dan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi dan co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi dan co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.