Perhaps you should try some spelling variations:
"dang hanh han snippets" » "dang thanh han snippets", "ban hanh han snippets", "dang van han snippets", "dang hanh nhan snippets", "dang hanh phan snippets", "dang hanh san snippets", "dang hanh han 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: (((("dang hanh han snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hanh han snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hanh han snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hanh han snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.