Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung tuan, trung cap
cong tinh » cong trinh, cong vinh, long tinh
tang cua » mang cua, hang cua, tang luan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - hanh ((tang cua) or (trung cua)) nhung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - hanh ((tang cua) OR (trung cua)) nhung cong tinh toan cao*.