Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh thin cu snippets" » "canh thin cu snippets", "danh thanh cu snippets", "danh thang cu snippets", "danh thi cu snippets", "danh thien cau snippets", "danh than cua 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: (((("danh thin cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh thin cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh thin cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh thin cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.