Perhaps you should try some spelling variations:
"dong using java snippets" » "dong ming java snippets", "dong song java snippets", "dong using data snippets", "dong using java slippers"
"dung dung dat snippets" » "duong dung dat snippets", "ung dung dat snippets", "dung ung dat snippets", "dung dung va snippets", "dung dung tai snippets", "dung dung dat 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: (((("dong using java snippets") or ("dung dung dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong using java snippets") OR ("dung dung dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong using java snippets ) or ( dung dung dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong using java snippets") or ("dung dung dat snippets"))) or ("locating bug code snippets"))*.