Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang moi con snippets" » "dang moi code snippets", "dung moi con snippets", "dang noi con snippets", "dang loi con snippets", "dang moi cong snippets", "dang moi co snippets", "dang mot 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: (((("dang moi 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: (((("dang moi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang moi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang moi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.