Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than dan cu snippets" » "thanh dan cu snippets", "nhan dan cu snippets", "shan dan cu snippets", "than dan cua snippets", "than dan ca snippets", "than dan su 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: (((("than dan 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: (((("than dan cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than dan cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than dan cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.