Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong dinh » phuong binh, phuong linh, phuong trinh
hien sach » dien sach, kien sach, thien hach
dinh toan » tinh toan, hinh toan, minh toan
mang vua » mang cua, bang va, dang va
toan tap » toan ban
mang va » bang va, dang va, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - hanh ((((mang va) OR (mang vua))) or (hang va)) nhung phuong dinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh ((((mang va) OR (mang vua))) OR (hang va)) nhung phuong dinh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - hanh ((((mang va) OR (mang vua))) or (hang va)) nhung phuong dinh toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh ((((mang va) OR (mang vua))) or (hang va)) nhung phuong dinh toan tap*.