Perhaps you should try some spelling variations:
"hoang tran cong snippets" » "hoang tran code snippets", "hoang tuan cong snippets", "hoang thanh cong snippets", "hoang van cong snippets", "hoang tran hong snippets", "hoang trien cong snippets", "hoang tran hoang snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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: (((("hoang tran cong snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang tran cong snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
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