Perhaps you should try some spelling variations:
"luc chua trinh snippets" » "luc chua tinh snippets", "luc thuat trinh snippets", "luc qua trinh snippets", "luc cua trinh snippets", "truc chua trinh snippets", "sua chua trinh snippets", "luc chua trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("luc chua trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc chua trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc chua trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc chua trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.