Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach tan ca snippets" » "cach ta ca snippets", "cach van ca snippets", "cach mang ca snippets", "cach tan cua snippets", "cach tang ca snippets", "cach dan ca 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: (((("cach tan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach tan ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach tan ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach tan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.