Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung bac co snippets" » "vung bao co snippets", "vung cac co snippets", "dung bac co snippets", "vung bac cao snippets", "vung bac bo snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("vung bac co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("vung bac co snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( vung bac co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("vung bac co snippets"))) or ("locating bug code snippets"))*.