Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu lang » chieu sang, hieu quang, nhieu tang
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
trung ap » trung cap, trung lap, trung tam
toan cao » toan ban, toan tap
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chau tinh)) - thanh trung ap dung cong vinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chau tinh)) - thanh trung ap dung cong vinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chau tinh)) - thanh trung ap dung cong vinh toan cao*.