Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac dieu hoa snippets" » "cac kieu hoa snippets", "cau dieu hoa snippets", "cac bieu hoa snippets", "cac dien hoa snippets", "cac tieu hoa snippets", "cac hieu hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cac dieu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac dieu hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cac dieu hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.