Perhaps you should try some spelling variations:
"dau quang dat snippets" » "dat quang dat snippets", "dang quang dat snippets", "doan quang dat snippets", "dau quang dai snippets", "dau quang dam snippets", "dau quang phat snippets", "dau quang dat slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dau quang dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau quang dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau quang dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau quang dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.