Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"huong hoc trinh slippers" » "thuong hoc trinh slippers", "huong uoc trinh slippers", "duong hoc trinh slippers", "huong doc trinh slippers", "huong hoc tinh slippers", "huong hoc sinh slippers", "huong hoc trinh slippery", "huong hoc trinh grippers"
"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: (((("dung java java snippets") or ("huong hoc trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("huong hoc trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( huong hoc trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("huong hoc trinh slippers"))) or ("locating bug code snippets"))*.