Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach cau vo snippets" » "bac cau vo snippets", "bach mai vo snippets", "sach cap vo snippets", "bach cau do snippets", "bach cau o snippets", "bach cau va 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: (((("bach cau vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach cau vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach cau vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach cau vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.