Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che hang cac snippets" » "cho hang cac snippets", "che nang cac snippets", "che quang cac snippets", "che hang ca snippets", "che hang cau snippets", "che bang 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: (((("che hang 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: (((("che hang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che hang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che hang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.