Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tren dan ve snippets" » "tren dat ve snippets", "tre dan ve snippets", "tren san ve snippets", "tren ban ve snippets", "tren dan va snippets", "tren dan viet 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 dan ve 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 dan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tren dan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tren dan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.