Perhaps you should try some spelling variations:
"dong thong code snippets" » "dong thong cong snippets", "dong thong co snippets", "dong thong cad snippets", "thong thong code snippets", "nong thon code snippets", "dong thanh code snippets", "dong thong code slippers"
"kha trinh java snippets" » "qua trinh java snippets", "ha tinh java snippets", "tra trinh java snippets", "kha trinh java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("kha trinh java snippets") or ("dong thong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha trinh java snippets") OR ("dong thong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha trinh java snippets ) or ( dong thong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha trinh java snippets") or ("dong thong code snippets"))) or ("locating bug code snippets"))*.