Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, mot chieu
va phuong » va thuong, cac phuong
manh toan » thanh toan, tinh toan
ho chieu » theo chieu, hoc thieu, mot chieu
tranh va » tranh van, trang va, trinh va

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 (doi chieu)) xanh - hanh tranh va phuong cong ((manh toan) or (anh tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - hanh tranh va phuong cong ((manh toan) OR (anh tuan)) ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - hanh tranh va phuong cong ((manh toan) or (anh tuan)) ban*.