Is it difficult for Vietnamese citizens to enter Thailand with a DTV visa without a return flight?

The post raises concerns about the potential difficulties Vietnamese nationals may face when applying for a DTV visa and entering Thailand, specifically regarding the need for a return flight. Comments suggest that while some might feel scrutinized, many have not encountered issues, emphasizing that thorough documentation and preparation are key. Several users shared personal experiences, indicating that having a return ticket can alleviate concerns, although it may not be strictly necessary.