Perhaps you should try some spelling variations:
"hang quan trinh slippers" » "hang qua trinh slippers", "hang quan tinh slippers", "hang xuan trinh slippers", "hoang quan trinh slippers", "hang luan trinh slippers", "nang quan trinh slippers", "hang quan trinh slippery", "hang quan trinh grippers"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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