Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho du cua snippets" » "cho cu cua snippets", "cho tu cua snippets", "cho duoc cua snippets", "cho duy cua snippets", "cho dau cua snippets", "cho dum cua 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: (((("cho du 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: (((("cho du cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho du cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho du cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.