Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thien thanh » tien thanh, thi thanh, hien hanh
thanh thang » nhanh thang, thanh thanh, thanh hang
thien hach » hien hanh
phuong van » phung van, phong van, phuong lan
thang va » hang va, trang va, thong va
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien hach) or (thien thanh)) - thanh thang va nhung phuong van ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (thien thanh)) - thanh thang va nhung phuong van ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien hach) or (thien thanh)) - thanh thang va nhung phuong van ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (thien thanh)) - thanh thang va nhung phuong van ((than cau) OR (phan cau))*.