Perhaps you should try some spelling variations:
"chinh viet data snippets" » "ninh viet data snippets", "trinh viet data snippets", "dinh viet data snippets", "chinh viet dat snippets", "chinh viet ta snippets", "chinh lieu data snippets", "chinh viet data 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: (((("chinh viet data snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chinh viet data snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chinh viet data snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chinh viet data snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.