Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung nhung con snippets" » "dung nhung code snippets", "dung chung con snippets", "dung nhan con snippets", "dung trung con snippets", "dung nhung cong snippets", "dung nhung don snippets", "dung nhung mon snippets"
"hang java java snippets" » "hang va java 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: (((("hang java java snippets") or ("dung nhung con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("dung nhung con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dung nhung con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dung nhung con snippets"))) or ("locating bug core snippets"))*.