Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (doc hieu)) xanh - lanh tranh cua nhung cong ((manh toan) or (van tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - lanh tranh cua nhung cong ((manh toan) OR (van tan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) xanh - lanh tranh cua nhung cong ((manh toan) or (van tan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) xanh - lanh tranh cua nhung cong ((manh toan) or (van tan)) cau*.