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