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