Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan cau mon snippets" » "quang cao mon snippets", "toan cau mon snippets", "quan ha mon snippets", "quan cac mon snippets", "quan cap mon snippets", "quan hau mon 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: (((("quan cau mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan cau mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan cau mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan cau mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.