Perhaps you should try some spelling variations:
"khung long o snippets" » "hung long o snippets", "khung hoang o snippets", "thang long o snippets", "khung dong o snippets", "khung lang o snippets", "khung long _ snippets"
"python using java snippets" » "python using data 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: (((("khung long o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khung long o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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