Perhaps you should try some spelling variations:
"hanh tram duc snippets" » "hanh tam duc snippets", "hanh trang duc snippets", "thanh tran duc snippets", "hanh tran duc snippets", "hanh pham duc snippets", "hanh tran duy snippets", "hanh tram duc 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 tram duc 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 tram duc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tram duc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tram duc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.