Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau luc cho snippets" » "cau truc cho snippets", "cau phuc cho snippets", "cau luc cao snippets", "cau nuoc cho snippets", "cau luat cho 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: (((("cau luc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau luc cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau luc cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau luc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.