Perhaps you should try some spelling variations:
"thuong va trinh snippets" » "truong va trinh snippets", "thong va trinh snippets", "thuong mai trinh snippets", "thuong van trinh snippets", "thuong va tinh snippets", "thuong lap trinh snippets", "thuong va trinh slippers"
"dung va java snippets" » "dung java java snippets", "dung va 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: (((("dung va java snippets") or ("thuong va trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung va java snippets") OR ("thuong va trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung va java snippets ) or ( thuong va trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung va java snippets") or ("thuong va trinh snippets"))) or ("locating bug code snippets"))*.