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