Perhaps you should try some spelling variations:
"minh kha trinh snippets" » "minh qua trinh snippets", "minh ha tinh snippets", "minh tra trinh snippets", "minh khai trinh snippets", "sinh kha trinh snippets", "minh ha trinh snippets", "minh kha 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: (((("minh kha 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: (((("minh kha trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh kha trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh kha trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.