Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu va hoi snippets" » "thuc va hoi snippets", "thue va hoi snippets", "tu va hoi snippets", "thu xa hoi snippets", "thu va hoc snippets", "thu va hoa 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: (((("thu va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu va hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.