Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sang » chieu sang, tieu dung, tiem nang
trung cua » truong cua, trung tuan, trung cap
tranh cua » doanh cua, manh cua
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
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: theo tieu sang - hanh ((trung cua) or (tranh cua)) nhung cong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - hanh ((trung cua) OR (tranh cua)) nhung cong san ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh ((trung cua) or (tranh cua)) nhung cong san ((toan cau) or (toan ban))*.