Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh le doc snippets" » "thinh le doc snippets", "thanh ve doc snippets", "thanh liem doc snippets", "thanh le duc snippets", "thanh le dac snippets", "thanh me doc 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 le doc 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 le doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh le doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh le doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.