Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung huong » nhung tuong, nhung dung, thong huong
thiet danh » thien danh, thien anh, thien dang
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
trang cua » tranh cua, tang cua, trung cua
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet danh - hanh trang cua ((((nhung huong) OR (nhung cong))) or (nhung phuong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - hanh trang cua ((((nhung huong) OR (nhung cong))) OR (nhung phuong)) dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet danh - hanh trang cua ((((nhung huong) OR (nhung cong))) or (nhung phuong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - hanh trang cua ((((nhung huong) OR (nhung cong))) or (nhung phuong)) dan toan cao*.