Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac cho cu snippets" » "khac co cu snippets", "khac cuoc cu snippets", "khuan cho cu snippets", "khac cho chu snippets", "khac cho ca snippets", "khac cho tu 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: (((("khac cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac cho cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac cho cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.