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