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