Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tran nhat thom slippers" » "toan nha thom slippers", "tran chau thom slippers", "tran chat thom slippers", "tran nha tho slippers", "tran nhan tham slippers", "tran nhat thom slippery", "tran nhat thom grippers"
"locating bug code snippets" » "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 java java snippets") or ("tran nhat thom slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tran nhat thom slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tran nhat thom slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tran nhat thom slippers"))) or ("locating bug code snippets"))*.