Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than tran he snippets" » "thanh tran he snippets", "thoan tran he snippets", "tan tran he snippets", "than toan he snippets", "than tran hien snippets", "than tran hiep 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: (((("than tran he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than tran he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than tran he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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