Perhaps you should try some spelling variations:
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"python using java snippets" » "python using data snippets"
"cam hoang my snippets" » "cap hoang my snippets", "cau hoang my snippets", "pham hoang my snippets", "cam hang my snippets", "cam hoan my snippets", "cam hoang ly 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: (((("python using java snippets") or ("cam hoang my snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cam hoang my snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cam hoang my snippets"))) or ("locating bug core snippets"))*.