Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong tinh » phuong trinh, phuong binh, khuong tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
tranh va » tranh van, trang va, trinh va
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chieu)) xanh - hanh tranh va nhung phuong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) xanh - hanh tranh va nhung phuong tinh toan tap*.