Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu nano da snippets" » "hieu nano code snippets", "lieu nano da snippets", "hieu nganh da snippets", "hieu van da snippets", "hieu nano va snippets", "hieu nang dau snippets", "hieu nang dan 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: (((("hieu nano da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu nano da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu nano da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu nano da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.