Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc hanh cam snippets" » "hoc hanh cam snippets", "duc hanh cam snippets", "doi hanh cam snippets", "doc hanh cham snippets", "doc hanh lam snippets", "doc hanh nam 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: (((("doc hanh cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc hanh cam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("doc hanh cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.