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