Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi dan son snippets" » "hoi dan code snippets", "hoa dan son snippets", "hoc dan son snippets", "hoi dap son snippets", "hoi dang son snippets", "hoi van son snippets", "hoi dai son 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 son 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 son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi dan son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dan son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.