Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua quang de snippets" » "quan quang de snippets", "quat quang de snippets", "qua quan de snippets", "qua quang le snippets", "qua quang d snippets", "qua quang do 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: (((("qua quang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua quang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua quang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua quang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.