Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoc doi hon snippets" » "cuoc doi hoa snippets", "cuoc doi hoi snippets", "cuoc doi phong snippets", "quoc doi hon snippets", "duoc doi hon 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: (((("cuoc doi hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoc doi hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoc doi hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoc doi hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.