Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
nhiet tach » chiet tach
hoc nhiet » hoc thiet, hoc nghien, hoc hien
trong nam » thong nam, trong lam, trong cac
nam nang » nham nang, nam ngang, cam nang
song dan » song danh, song van, cong dan
dan phan » doan phan, dan chan, van phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nhiet tach - thanh trong nam nang song dan phan tu~.
• Adding a wildcard symbol may retrieve word variants: hoc nhiet tach - thanh trong nam nang song dan phan tu*.