Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
tang luan » dung luan
cong tinh » cong trinh, cong vinh, long tinh
chu xanh » chu manh, chieu xanh, chuc danh
mang cua » manh cua, dung cua, ban cua
toan cau » 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 ((chu xanh) or (chua xang)) - hanh ((tang luan) or (mang cua)) nhung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - hanh ((tang luan) OR (mang cua)) nhung cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - hanh ((tang luan) or (mang cua)) nhung cong tinh toan cau*.