Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong va chat snippets" » "dung va chat snippets", "dong ha chat snippets", "luong va chat snippets", "dong van chat snippets", "dong va phat snippets", "dong va cham snippets"
"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 va chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong va chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong va chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong va chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.