Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
cong khanh » cong thanh, cong khan, cong nhan
phuong dan » phuong danh, phuong doan, huong dan
cong canh » cong danh, cong thanh, phong canh
hoc dien » hoc hien, hoc dieu, hoc lien
hoc vien » hoc hien, hoc viet, hoc tieng
dan than » dan chan, ban than, van than
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 dien) OR (hoc vien)) sach - thanh ((cong canh) or (cong khanh)) nhung phuong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dien) OR (hoc vien)) sach - thanh ((cong canh) OR (cong khanh)) nhung phuong dan than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dien) OR (hoc vien)) sach - thanh ((cong canh) or (cong khanh)) nhung phuong dan than cau*".