Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
dung phuong » dung thuong, bang phuong, dung chung
hoc thiet » hoc thieu, hoc thuyet, toc thieu
danh than » danh thanh, danh thang, danh nhan
cong qua » cong cua, song qua, cong quy
qua dung » quang dung, su dung, qua song
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thiet) or (hoc hien)) hach - thanh cong qua dung phuong danh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc hien)) hach - thanh cong qua dung phuong danh than cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) or (hoc hien)) hach - thanh cong qua dung phuong danh than cau*.