Perhaps you should try some spelling variations:
luong nhanh » luong thanh, luong nhan, muong thanh
thanh trung » thanh tung
cong luong » cong thuong, nang luong, cong dong
hieu tinh » chieu tinh, lieu tinh, kieu tinh
trung vat » trung va, trung van, trong vat
dung cong » dung trong
nhanh bac » nhanh ha, nhanh va
vat dung » van dung, va dung, viet dung
co hieu » cao hieu, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: co hieu tinh - thanh trung vat dung cong luong nhanh bac~.
• Adding a wildcard symbol may retrieve word variants: co hieu tinh - thanh trung vat dung cong luong nhanh bac*.