Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trong viec con snippets" » "cong viec con snippets", "trong dieu con snippets", "trong hiep con snippets", "trong viec cong snippets", "trong viec cuoi snippets", "trong viec cua snippets"
"locating bug core snippets" » "locating bug code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("trong viec con snippets"))) or ("locating bug core snippets"))~.
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