Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets", "dung using java slippers"
"dang tran van snippets" » "dang thanh van snippets", "quang tran van snippets", "hoang tran van snippets", "dang luan van snippets", "dang tran van slippers"

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: (((("dang tran van snippets") or ("dung using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tran van snippets") OR ("dung using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dang tran van snippets ) or ( dung using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tran van snippets") or ("dung using java snippets"))) or ("locating bugs code snippets"))*.