Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue dat doc snippets" » "thue da doc snippets", "thue luat doc snippets", "thue xuat doc snippets", "thue dat duoc snippets", "thue day doc snippets", "thue dat nuoc 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: (((("thue dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thue dat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue dat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.