Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cam tri hoc snippets" » "tam tri hoc snippets", "cai tri hoc snippets", "tam trai hoc snippets", "cam triet hoc snippets", "cam tri thuc snippets", "cam thai hoc 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: (((("cam tri hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cam tri hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cam tri hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.