Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kenh phan da snippets" » "kenh phan code snippets", "benh nhan da snippets", "benh phau da snippets", "ke phan da snippets", "kenh phan dau snippets", "kenh phan dai snippets", "kenh phan day 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: (((("kenh phan 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: (((("kenh phan da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kenh phan da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kenh phan da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.