Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho pin cac snippets" » "cho tin cac snippets", "cho sinh cac snippets", "cho phan cac snippets", "cho gian cac snippets", "cho vien cac 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 pin 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 pin cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho pin cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho pin cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.