Perhaps you should try some spelling variations:
phuong dinh » phuong binh, phuong linh, phuong trinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trang » thanh trung, hanh trinh, minh trang
toi phuong » thi phuong, tai phuong, doi phuong
dinh toan » tinh toan, hinh toan, minh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan ban, toan tap
cua toi » cua hoi, cua moi, cua loai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((hanh trang) OR (canh tranh)) cua toi phuong dinh toan cao~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((hanh trang) or (canh tranh)) cua toi phuong dinh toan cao*.