Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"h2o using java snippets" » "h2o using data snippets", "h2o using java slippers"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets", "dung cong code slippers"

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: (((("h2o using java snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("h2o using java snippets") OR ("dung cong code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( h2o using java snippets ) or ( dung cong code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("h2o using java snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))*.