Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung tra code snippets" » "dung tri code snippets", "dung tru code snippets", "dung tren code snippets", "dung tra cong snippets", "dung tra code slippers"
"cong trinh java snippets" » "cong trinh java slippers"

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: (((("cong trinh java snippets") or ("dung tra code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong trinh java snippets") OR ("dung tra code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cong trinh java snippets ) or ( dung tra code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong trinh java snippets") or ("dung tra code snippets"))) or ("locating bugs code snippets"))*.