Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc tren can snippets" » "hoc tren code snippets", "moc tren can snippets", "hoc truyen can snippets", "thuoc tren can snippets", "hoc tre can snippets", "hoc tren ca snippets", "hoc tren cay snippets"
"python using java snippets" » "python using data 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: (((("hoc tren can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc tren can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("hoc tren can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.