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