Perhaps you should try some spelling variations:
"gian tren thanh snippets" » "gian trien thanh snippets", "gian tran thanh snippets", "gian tien thanh snippets", "giang tren thanh snippets", "gian tre thanh snippets", "gian truyen thanh snippets", "gian tren thanh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung java java snippets") or ("gian tren thanh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("gian tren thanh snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("gian tren thanh snippets"))) or ("locating bug code snippets"))*.