Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc chat cua snippets" » "duc chat code snippets", "duoc chat cua snippets", "doc chat cua snippets", "du chat cua snippets", "duc nhat cua snippets", "duc chat va snippets", "duc chat huu 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 ("duc chat cua snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc chat cua snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc chat cua snippets"))) or ("locating bug core snippets"))*.