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