Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van giang o2 snippets" » "van giang code snippets", "manh giang o2 snippets", "tran giang o2 snippets", "dan gian o2 snippets", "van giang o snippets", "van giang son snippets", "van gian o 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: (((("van giang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van giang o2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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