Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc ban can snippets" » "duc ban code snippets", "duc tan can snippets", "duc van can snippets", "dua ban can snippets", "duc ban dan snippets", "duc ban hang snippets", "duc ban hanh 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: (((("python using java snippets") or ("duc ban can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc ban can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc ban can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc ban can snippets"))) or ("locating bug core snippets"))*.