Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hoa doi snippets" » "cong hoa code snippets", "dong hoa doi snippets", "dong hoc doi snippets", "hang hoa doi snippets", "cong hoa dai snippets", "cong hoc doi snippets", "cong xoa doi 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: (((("cong hoa doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hoa doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cong hoa doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.