Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets"
"dung lieu da snippets" » "dung hieu da snippets", "dung tieu da snippets", "dung viet da snippets", "dung lieu dao snippets", "dung lieu dai snippets", "dung lieu dia 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: (((("data using java snippets") or ("dung lieu da snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("dung lieu da snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dung lieu da snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dung lieu da snippets"))) or ("locating bug code snippets"))*.