Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhiet tach » chiet tach
hoc nhiet » hoc thiet, hoc nghien, hoc hien
trung cam » trung tam, trung cap, trung nam
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong 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 trung cam nang cong dan phan tu~.
• Adding a wildcard symbol may retrieve word variants: hoc nhiet tach - thanh trung cam nang cong dan phan tu*.