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