Perhaps you should try some spelling variations:
"phan using data snippets" » "phan ung data snippets", "phan sinh data snippets", "python using data snippets", "phan using java snippets", "phan using sat snippets", "phan missing data snippets", "phan using data slippers"
"dung tai code snippets" » "dung tai cong snippets", "dung tai co snippets", "dung tai hoe snippets", "dung tai 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 tai code snippets") or ("phan using data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tai code snippets") OR ("phan using data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tai code snippets ) or ( phan using data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tai code snippets") or ("phan using data snippets"))) or ("locating bug code snippets"))*.