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