Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho xe cau snippets" » "cho he cau snippets", "cho xa cau snippets", "cho ke cau snippets", "cho le cau snippets", "cho ve 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: (((("cho xe 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: (((("cho xe cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho xe cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho xe cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.