Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong tinh » phuong trinh, phuong binh, khuong tinh
chiet tach » chieu sach
thanh tung » thanh cong
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
tung cua » trung cua, tuong cua, dung cua
toan cau » toan cao, toan tap
toan tai » toan tap, doanh tai, toan cao
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: ho chiet tach - thanh tung cua nhung phuong tinh ((((toan cau) or (toan tai))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh tung cua nhung phuong tinh ((((toan cau) OR (toan tai))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh tung cua nhung phuong tinh ((((toan cau) or (toan tai))) or (toan ban))*.