Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
lanh tranh » canh tranh, lan tranh, hanh trinh
cua thong » cua thuong, cua khong, suat thong
ho chieu » hoc thieu, doi chieu, mot chieu
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) xanh - lanh tranh ((cua thong) OR (cua tong)) cong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - lanh tranh ((cua thong) OR (cua tong)) cong dan khan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) xanh - lanh tranh ((cua thong) OR (cua tong)) cong dan khan cap*".