Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren can cau snippets" » "tre can cau snippets", "tren ca cau snippets", "tren cay cau snippets", "tren van cau snippets", "tren ban 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: (((("tren can 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: (((("tren can cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren can cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren can cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.