Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa cap ke snippets" » "khoa cam ke snippets", "khoa tap ke snippets", "khoa can ke snippets", "khoa lap ke snippets", "khoa ca ke snippets", "khoa cac ke 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: (((("khoa cap ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa cap ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa cap ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa cap ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.