Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thay doi con snippets" » "thay doi cong snippets", "thay doi co snippets", "thay moi con snippets", "tay doi con snippets", "than doi con snippets", "thai doi con 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: (((("thay doi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thay doi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("thay doi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.