Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
tranh cua » doanh cua, manh cua
cua duong » cua dong, cua huong, qua duong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
doan tap » toan tap, doan cap, doanh tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doc hieu)) xanh - canh tranh cua duong ((cong tap) OR (cong tac)) doan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) xanh - canh tranh cua duong ((cong tap) OR (cong tac)) doan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doc hieu)) xanh - canh tranh cua duong ((cong tap) OR (cong tac)) doan tap*".