Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
tranh cua » doanh cua, manh cua
dung cong » dung trong
doc hieu » toc thieu, hoc thieu
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 (((doc hieu) OR (hoc hien)))) xanh - canh tranh cua dung cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((doc hieu) OR (hoc hien)))) xanh - canh tranh cua dung cong dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (((doc hieu) OR (hoc hien)))) xanh - canh tranh cua dung cong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (((doc hieu) OR (hoc hien)))) xanh - canh tranh cua dung cong dan phan cau*.