Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hoang toan ky snippets" » "hoang thoan ky snippets", "hoang tran ky snippets", "hoang tuan ky snippets", "hoang than ky snippets", "hoang toan ly snippets", "hoang toan ke snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("hoang toan ky snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("hoang toan ky snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoang toan ky snippets"))) or ("locating bug core snippets"))*.