Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh dat di snippets" » "thanh san di snippets", "thanh hai di snippets", "thanh van di snippets", "thanh dat dai snippets", "thanh dat de snippets", "thanh dat vi 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 dat di 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 dat di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh dat di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh dat di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.