Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cua ho snippets" » "nhat cua ho snippets", "nhan luc ho snippets", "nhan su ho snippets", "nhan cua hoi snippets", "nhan cua hoc snippets", "nhan cua hon 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 cua 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 cua ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cua ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cua ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.