Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc hoi doi snippets" » "quoc hoi doi snippets", "duoc hoc doi snippets", "duoc si doi snippets", "duoc hoi doai snippets", "duoc hoa doi 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: (((("duoc hoi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc hoi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("duoc hoi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.