Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich han cac snippets" » "dich han cac snippets", "lich can cac snippets", "lich thai cac snippets", "lich phan cac snippets", "lich hang cac snippets", "lich hanh 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: (((("lich han 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: (((("lich han cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich han cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich han cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.