Perhaps you should try some spelling variations:
"cong quang dat snippets" » "luong quang dat snippets", "thong quang dat snippets", "duong quang dat snippets", "cong quang dai snippets", "cong quang dam snippets", "cong quang phat snippets", "cong 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: (((("cong 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: (((("cong quang dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong quang dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong quang dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.