Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
doi chau » doi chieu, gioi chau, lai chau
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chau) OR (hoi chu)) tinh - nhanh tinh cua thong cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chau) OR (hoi chu)) tinh - nhanh tinh cua thong cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chau) OR (hoi chu)) tinh - nhanh tinh cua thong cong tan toan cau*.