Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong san trac slippers" » "cong san trac slippers", "dong bang trac slippers", "dong von trac slippers", "dong sinh trac slippers", "dong phan trac slippers", "dong sat trach slippers", "dong san trac slippery", "dong san trac 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: (((("dong san trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong san trac slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong san trac slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong san trac slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.