Perhaps you should try some spelling variations:
"dong java java slippers" » "dong va java slippers", "dong java java slippery", "dong java java grippers"
"quang cua code snippets" » "quan cua code snippets", "quang tuan code snippets", "quang huy code snippets", "quang cua cong snippets", "quang cua co snippets", "quang cfd code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 java java slippers") or ("quang cua code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong java java slippers") OR ("quang cua code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong java java slippers ) or ( quang cua code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong java java slippers") or ("quang cua code snippets"))) or ("locating bug code snippets"))*.