Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhiet nang » nhiet dong, viet nang, nhieu tang
hieu lang » chieu sang, hieu quang, nhieu tang
trung cap » truong cao, trung tam
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
cap dung » ap dung, cao dung, chan dung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (nhiet nang)) - thanh trung cap dung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (nhiet nang)) - thanh trung cap dung cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu lang) or (nhiet nang)) - thanh trung cap dung cong manh toan ban*.