Perhaps you should try some spelling variations:
"hanh tranh duoc snippets" » "canh tranh duoc snippets", "hanh trinh duoc snippets", "hanh trang duoc snippets", "hanh tranh cuoc snippets", "hanh tran duc snippets", "hanh tranh duoc 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: (((("hanh tranh duoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh tranh duoc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tranh duoc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tranh duoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.