Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thanh hai a1 snippets" » "thanh phan a1 snippets", "thanh hoa a1 snippets", "thanh san a1 snippets", "thanh ham a1 snippets", "thanh hai a1 slippers"
"locating bug code snippets" » "locating bug code slippers", "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 a1 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 a1 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh hai a1 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh hai a1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.