Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat loi cau snippets" » "bat loi cau snippets", "mat lai cau snippets", "tat loi cau snippets", "mat loi ca snippets", "mat hoi cau snippets", "mat loi can 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: (((("mat loi 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: (((("mat loi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat loi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat loi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.