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