Perhaps you should try some spelling variations:
"va chat cung snippets" » "va chat code snippets", "va chat cong snippets", "va chat luong snippets", "va chat quang snippets", "van chat cung snippets", "va phat cung snippets", "va cham cung snippets"
"locating bug core snippets" » "locating bug code 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 ("va chat cung snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("va chat cung snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("va chat cung snippets"))) or ("locating bug core snippets"))*.