Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
tinh cua » trinh cua, sinh cua, tinh chat
juan cao » quang cao, toan cao, quan cau
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: ((ho chieu) OR (doi chieu)) sang - nhanh tinh cua nhung cong thanh ((juan cao) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sang - nhanh tinh cua nhung cong thanh ((juan cao) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sang - nhanh tinh cua nhung cong thanh ((juan cao) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sang - nhanh tinh cua nhung cong thanh ((juan cao) or (toan cau))*.