Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh hoang do snippets" » "thanh hoang do snippets", "minh hoang do snippets", "tnhh hoang do snippets", "anh hoang de snippets", "anh hoang da snippets", "anh hoang du 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: (((("anh hoang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh hoang do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh hoang do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh hoang do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.