Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh doc ca snippets" » "than doc ca snippets", "thanh do ca snippets", "nhanh doc ca snippets", "thanh doc cao snippets", "thanh doc cua snippets", "thanh doc va 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: (((("thanh doc ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh doc ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh doc ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh doc ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.