Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"tran think java snippets" » "tran thi java snippets", "tran thanh java snippets", "tran thong java snippets", "tran trinh java snippets"
"dung cho cong snippets" » "dung cao cong snippets", "dung cua cong snippets", "dung cac cong snippets"

You may be able to get more results by adjusting your search query.

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