Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
duong trong » dung trong
nhiet tach » chiet tach
duong cong » dung cong, luong cong, trong cong
hoc nhiet » hoc thiet, hoc nghien, hoc hien
truong va » truong dai, truong cao, truong dao
toan cao » toan ban, toan tap

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 truong va ((duong cong) or (duong trong)) tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nhiet tach - thanh truong va ((duong cong) OR (duong trong)) tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc nhiet tach - thanh truong va ((duong cong) or (duong trong)) tinh toan cao*.