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