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