Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"truc vu duc snippets" » "truc du duc snippets", "truc va duc snippets", "truc cu duc snippets", "truc vu duc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("truc vu duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc vu duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc vu duc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc vu duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.