Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"when van hau snippets" » "when can hau snippets", "thien van hau snippets", "phan van hau snippets", "when van ha snippets", "when van hai snippets", "when van dau snippets", "when van hau slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("when van hau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("when van hau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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