Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue da cua snippets" » "thue dat cua snippets", "thue va cua snippets", "thu da cua snippets", "thue dai cua snippets", "thue day cua snippets", "thue dan 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: (((("thue da 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: (((("thue da cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue da cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue da cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.