Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu san he snippets" » "thuy san he snippets", "thu ban he snippets", "phu san he snippets", "thu dan he snippets", "thu san ho snippets", "thu van he 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: (((("thu san he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu san he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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