Perhaps you should try some spelling variations:
"dung lieu data snippets" » "dung hieu data snippets", "dung tieu data snippets", "dung viet data snippets", "dung lieu dao snippets", "dung bieu dat snippets", "dung lieu da snippets", "dung lieu data slippers"
"dong von code snippets" » "dung von code snippets", "dong co code snippets", "dong hoc code snippets", "dong von cong snippets", "dong von code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 lieu data snippets") or ("dong von code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lieu data snippets") OR ("dong von code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lieu data snippets ) or ( dong von code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lieu data snippets") or ("dong von code snippets"))) or ("locating bug code snippets"))*.