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