Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che hoat cuu snippets" » "che khoa cuu snippets", "cao hoat cuu snippets", "co hoat cuu snippets", "che hoa cua snippets", "che hat cu snippets", "che hat 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: (((("che hoat cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che hoat cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che hoat cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che hoat cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.