Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java che snippets" » "using data che snippets", "using japan che snippets", "using va che snippets", "using java can snippets"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che 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: (((("using java che snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java che snippets") OR ("dung cong code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java che snippets ) or ( dung cong code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java che snippets") or ("dung cong code snippets"))) or ("locating bugs code snippets"))*.