Perhaps you should try some spelling variations:
"quang trinh java snippets" » "quang thinh java snippets", "quang ninh java snippets", "quang binh java snippets"
"dung cac che snippets" » "luong cac che snippets", "dung cho che snippets", "dung tai che snippets", "dung cac he snippets", "dung cac chien snippets", "dung cac chat snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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