Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan so cau snippets" » "lan o cau snippets", "dan so cau snippets", "lan lo cau snippets", "lan so cap snippets", "lan bo cau snippets", "lan co cau 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: (((("lan so cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan so cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan so cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan so cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.