Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
nhiet tach » chiet tach
hinh trong » chinh trong, dinh trong, sinh trong
hoc nhiet » hoc thiet, hoc nghien, hoc hien
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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 - hinh trong cac truong cong tac than cau~.
• Adding a wildcard symbol may retrieve word variants: hoc nhiet tach - hinh trong cac truong cong tac than cau*.