Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi di cua snippets" » "khoi ki cua snippets", "khoi de cua snippets", "thoi dai cua snippets", "khoi dai cua snippets", "khoi doi 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: (((("khoi di 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: (((("khoi di cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi di cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi di cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.