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