Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cham doi hoi snippets" » "cham doi code snippets", "cham hoi hoi snippets", "cham voi hoi snippets", "pham doi hoi snippets", "cham doi thoi snippets", "cham doi voi snippets", "cham doi moi 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: (((("python using java snippets") or ("cham doi hoi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cham doi hoi snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cham doi hoi snippets"))) or ("locating bug core snippets"))*.