Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho thanh o snippets" » "cho phan o snippets", "tro thanh o snippets", "cuu thanh o snippets", "cho thanh do snippets", "cho thanh ho snippets", "cho thanh vo 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 thanh o 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 thanh o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho thanh o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho thanh o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.