Perhaps you should try some spelling variations:
"hoi lang tranh slippers" » "hoi lan tranh slippers", "hoi lang thanh slippers", "hoi lanh tranh slippers", "hoa lang tranh slippers", "hoi dan tranh slippers", "hoi lang tranh slippery", "hoi lang tranh 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: (((("hoi lang tranh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi lang tranh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi lang tranh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi lang tranh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.