Perhaps you should try some spelling variations:
"van xuat trinh snippets" » "van xuan trinh snippets", "van thuat trinh snippets", "van qua trinh snippets", "san xuat trinh snippets", "va xuat trinh snippets", "phan xuat trinh snippets", "van xuat 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: (((("van xuat 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: (((("van xuat trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van xuat trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van xuat trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.