Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
van nhanh » van thanh, van hanh, van khanh
nhanh cay » nhanh ha, nhanh bac, nhanh va
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu

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) or (ho chieu)) tinh - hanh tranh cua ((hang cong) OR (bang cong)) van nhanh cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (ho chieu)) tinh - hanh tranh cua ((hang cong) OR (bang cong)) van nhanh cay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (ho chieu)) tinh - hanh tranh cua ((hang cong) OR (bang cong)) van nhanh cay".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) tinh - hanh tranh cua ((hang cong) OR (bang cong)) van nhanh cay*.