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