Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua ve chu snippets" » "cua vi chu snippets", "cua te chu snippets", "cua vu chu snippets", "cua ve cau snippets", "cua va chu snippets", "cua ve che 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: (((("cua ve chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua ve chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua ve chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua ve chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.