Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung bac le snippets" » "nhung bai le snippets", "phuong bac le snippets", "nhung cau le snippets", "nhung ban le snippets", "nhung mac le snippets", "nhung cac le 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: (((("nhung bac le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung bac le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung bac le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung bac le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.