Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"han using java slippers" » "han using data slippers", "han ung java slippers", "h2o using java slippers", "han ping java slippers", "han using java slippery", "han using java grippers"
"dong hung code snippets" » "dong huong code snippets", "dang hung code snippets", "cong hung code snippets", "dong bug 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: (((("han using java slippers") or ("dong hung code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han using java slippers") OR ("dong hung code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( han using java slippers ) or ( dong hung code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han using java slippers") or ("dong hung code snippets"))) or ("locating bugs code snippets"))*.