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