Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh manh » hanh mang, lanh manh, hoang manh
dang cong » dung cong
manh cua » doanh cua, ban cua
tan toan » tan tran, tap toan, van toan
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: doi chieu tinh - hanh manh cua ((nhung cong) or (dang cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh manh cua ((nhung cong) OR (dang cong)) tan toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh manh cua ((nhung cong) or (dang cong)) tan toan cau*.