Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"long ha cua snippets" » "dong ha cua snippets", "cong ha cua snippets", "dong hoa cua snippets", "long hoa cua snippets", "long hai cua snippets", "long nha cua 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 ha cua 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 ha cua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long ha cua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long ha cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.