Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (hoc hien)) tach - thanh trung cua nhung cong sat phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) tach - thanh trung cua nhung cong sat phan dau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) tach - thanh trung cua nhung cong sat phan dau*.