Perhaps you should try some spelling variations:
"trinh han code snippets" » "trinh quan code snippets", "trinh han che snippets", "trinh han cosh snippets", "trinh han code slippers"
"dung a data snippets" » "dung va data snippets", "dung ha data snippets", "dung ai data snippets", "dung _ data snippets", "dung a data 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 a data snippets") or ("trinh han code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung a data snippets") OR ("trinh han code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung a data snippets ) or ( trinh han code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung a data snippets") or ("trinh han code snippets"))) or ("locating bug code snippets"))*.