Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cac ho snippets" » "nhan cach ho snippets", "phan cac ho snippets", "nhan mac ho snippets", "nhan cac hop snippets", "nhan cac hoc snippets", "nhan cac co 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: (((("nhan cac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan cac ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cac ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.