Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thuoc dieu » thuc dieu, hoc dieu, thuat dieu
phuong dan » phuong danh, phuong doan, huong dan
tranh vat » trinh vat, tranh va, tranh van
vat nhung » va nhung, vap nhung, vai nhung
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc dieu hanh - canh tranh vat nhung phuong dan ((than cao) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: thuoc dieu hanh - canh tranh vat nhung phuong dan ((than cao) or (toan cao))*.