Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh van trac snippets" » "trinh han trac snippets", "trinh quan trac snippets", "trinh toan trac snippets", "trinh va trac snippets", "trinh van thac snippets", "trinh van tra snippets", "trinh van trac slippers"
"dung va java snippets" » "dung java java snippets", "dung va java 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: (((("dung va java snippets") or ("trinh van trac snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung va java snippets") OR ("trinh van trac snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung va java snippets ) or ( trinh van trac snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung va java snippets") or ("trinh van trac snippets"))) or ("locating bugs code snippets"))*.