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