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