Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"phan thuoc cuc snippets" » "pham thuoc cuc snippets", "phan phuoc cuc snippets", "phan thuc cuc snippets", "phan thuc cua snippets", "phan thuoc co snippets", "phan thuoc tu snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using java code snippets") or ("phan thuoc cuc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("phan thuoc cuc snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("phan thuoc cuc snippets"))) or ("locating bug code snippets"))*.