Perhaps you should try some spelling variations:
phuong dung » thong dung, cuong dung, phuong hoang
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
trung dung » ung dung, trung uong, trinh dung
doi chiet » doi chieu, doi chi, doi viet
tranh cua » doanh cua, manh cua
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: doi chiet tach - hanh tranh cua ((trung dung) or (phuong dung)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - hanh tranh cua ((trung dung) OR (phuong dung)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - hanh tranh cua ((trung dung) or (phuong dung)) tinh toan ban*.