Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chi dan cau snippets" » "chi dan code snippets", "choi dan cau snippets", "chi van cau snippets", "thi dan cau snippets", "chi danh cau snippets", "chi dan ca snippets", "chi dat cau 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 ("chi dan cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("chi dan cau snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("chi dan cau snippets"))) or ("locating bug core snippets"))*.