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