Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"va dinh cua snippets" » "va dinh cuu snippets", "va sinh cua snippets", "va dinh cu snippets", "van dinh cua snippets", "va kinh cua snippets", "va tinh 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: (((("va dinh 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: (((("va dinh cua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va dinh cua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va dinh cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.