Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java can snippets" » "using data can snippets"
"dung trung dat snippets" » "dung trong dat snippets", "quang trung dat snippets", "truong trung dat snippets", "dung trung dai snippets", "dung trung dam snippets"

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

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