Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tao doi snippets" » "dong tao code snippets", "dong tai doi snippets", "dong dao doi snippets", "dong bao doi snippets", "dong trao doi snippets", "dong tao dai snippets", "dong tao boi 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: (((("dong tao doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tao doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dong tao doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.