Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap tieu moi snippets" » "lac tieu moi snippets", "luan tieu moi snippets", "lap tu moi snippets", "lap hieu moi snippets", "lap dieu moi snippets", "lap thien moi 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: (((("lap tieu moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap tieu moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap tieu moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap tieu moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.