Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"canh trinh doc snippets" » "canh trinh code snippets", "canh tranh doc snippets", "hanh trinh doc snippets", "canh tinh doc snippets", "canh trinh do snippets", "canh trinh hoa snippets", "canh trinh co snippets"
"dung java java snippets" » "dung va java 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: (((("canh trinh doc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh trinh doc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( canh trinh doc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh trinh doc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.