Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang co trinh slippers" » "hang co tranh slippers", "hang cong trinh slippers", "hang tao trinh slippers", "hang cho trinh slippers", "hang ca trinh slippers", "nang co trinh slippers", "hang co trinh slippery", "hang co trinh grippers"
"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 co 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 co trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang co trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang co trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.