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