If you don't have an idea for where you want to go in Vietnam and Indochina, you can simply search Google by keyword, "Vietnam travel tips" or “Indochina travel tips”.
You will see many travel tips supported by local Indochina & Vietnam tour operators and travel agencies. Visit their website you can find many interesting travel guide, tips and information for all destinations in Vietnam and Indochina. However, if you have the favorite destinations such as Halong Bay, Sapa, Hoi An, Hue, Mekong Delta, Angkor Wat or Luang Prabang. You can search more specific such as "Halong Bay travel tips". You will find many Halong travel tips and deals with variety prices of depend on tour operators.