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