Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich via cua snippets" » "lich va cua snippets", "lich viet cua snippets", "lich giao cua snippets", "lich gia cua snippets", "lich gian cua snippets", "lich giau cua 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 via cua 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 via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.