Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich thai ca snippets" » "sinh thai ca snippets", "tinh thai ca snippets", "hinh thai ca snippets", "lich thai cua snippets", "lich thai cao snippets", "lich thai va 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 thai ca 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 thai ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich thai ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich thai ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.