Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tam toan chi snippets" » "tap toan chi snippets", "tam than chi snippets", "tam thanh chi snippets", "tam toan cao snippets", "tam tai chi snippets", "tam luan chi 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: (((("tam toan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tam toan chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tam toan chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tam toan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.