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