Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
chao yen » chao sen, chao yang, hai yen
yen tinh » tuyen tinh
tan toan » tan tran, tap toan, van toan
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: chao yen tinh - hanh trinh cua ((nhung cong) or (trong cong)) tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao yen tinh - hanh trinh cua ((nhung cong) OR (trong cong)) tan toan cao.
• Adding a wildcard symbol may retrieve word variants: chao yen tinh - hanh trinh cua ((nhung cong) or (trong cong)) tan toan cao*.