Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren tu cung snippets" » "tren tau cung snippets", "tran tu cung snippets", "tre tu cung snippets", "tren tu chung snippets", "tren tu cuong snippets", "tren tuc cung 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 tu cung 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 tu cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren tu cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren tu cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.