Perhaps you should try some spelling variations:
"nhung chu trinh snippets" » "nhung cau trinh snippets", "nhung phu trinh snippets", "hung chu trinh snippets", "nhung chu thich snippets", "nhung chu tich snippets", "nhung chu dinh snippets", "nhung chu trinh 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: (((("nhung chu trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung chu trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung chu trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung chu trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.