Perhaps you should try some spelling variations:
phuong dong » phuong dung, phuong hoang, chuong duong
hanh tranh » canh tranh, hanh trinh, hanh trang
cac phuong » cac truong
tranh cac » trinh cac, thanh cac, tranh cai
dong hach » dong bach, dong cach, dong thanh
hach toan » thanh toan, manh toan
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (((theo tieu) or (ho chieu)))) xanh - hanh tranh cac phuong dong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (((theo tieu) OR (ho chieu)))) xanh - hanh tranh cac phuong dong hach toan ban.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (((theo tieu) or (ho chieu)))) xanh - hanh tranh cac phuong dong hach toan ban*.