Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
phuong tang » phuong bang, phuong hoang, phuong thanh
tang thanh » dang thanh, trung thanh, hoang thanh
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, cach mang, van manh
ho chieu » theo chieu, doi chieu, mot chieu

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 (hoc thieu)) sang - ((canh manh) OR (canh tranh)) cua cong phuong tang thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - ((canh manh) OR (canh tranh)) cua cong phuong tang thanh san.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sang - ((canh manh) OR (canh tranh)) cua cong phuong tang thanh san".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sang - ((canh manh) OR (canh tranh)) cua cong phuong tang thanh san*.