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