Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
phuong dan » phuong danh, phuong doan, huong dan
tranh va » tranh van, trinh va, thanh va
trang va » tran van, hang va
phan tap » phan lap, pha tap, phan tu
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - canh ((tranh va) or (trang va)) nhung phuong dan ((phan tap) OR (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh ((tranh va) OR (trang va)) nhung phuong dan ((phan tap) OR (han tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - canh ((tranh va) or (trang va)) nhung phuong dan ((phan tap) OR (han tap))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh ((tranh va) or (trang va)) nhung phuong dan ((phan tap) OR (han tap))*.