Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho pham cuc snippets" » "cho phan cuc snippets", "che pham cuc snippets", "cho phat cuc snippets", "cho pham chuc snippets", "cho pham duc snippets", "cho pham 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 pham cuc 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 pham cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho pham cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho pham cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.