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