Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan chi con snippets" » "dan chi code snippets", "danh chi con snippets", "dan thi con snippets", "van chi con snippets", "dan chi cong snippets", "dan cho con snippets", "dan khi con snippets"
"python using java snippets" » "python using data 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: (((("dan chi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan chi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dan chi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan chi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.