Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc do ve snippets" » "truc du ve snippets", "truc loi ve snippets", "truc noi ve snippets", "truc dao ve snippets", "truc do ke snippets", "truc de ve 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: (((("truc do 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: (((("truc do ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc do ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc do ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.