Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sach » chinh sach, chiet tach, chieu sang
tran thanh » ban thanh, van thanh, quan thanh
tran tuan » tran xuan, tran quang, tranh luan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan ban, toan tap

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 sach - thanh ((tran tuan) OR (tran thanh)) nhung ((phuong danh) or (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tran tuan) OR (tran thanh)) nhung ((phuong danh) OR (huong dan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((tran tuan) OR (tran thanh)) nhung ((phuong danh) or (huong dan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tran tuan) OR (tran thanh)) nhung ((phuong danh) or (huong dan)) toan cau*.