Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"van trinh java snippets" » "van thinh java snippets", "van tinh java snippets", "dan trinh java snippets"
"dang dung cong snippets" » "dan dung cong snippets", "dang hung cong snippets", "dang quang cong snippets", "dang dung trong snippets"

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

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