Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kip nhan cua snippets" » "kim nhan cua snippets", "tiep nhan cua snippets", "gia nhan cua snippets", "kip nhat cua snippets", "kip nhan luc snippets", "kip nhan su 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: (((("kip nhan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kip nhan cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kip nhan cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kip nhan cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.