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