Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho do cac snippets" » "cho dao cac snippets", "cho doi cac snippets", "cho ro cac snippets", "cho o cac snippets", "cho co cac snippets", "cho do cao 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 do cac 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 do cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho do cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho do cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.