Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
nhung phuong » dung phuong, nhu phuong, bang phuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh nang » ganh nang, hanh mang, hanh trang
hoc hieu » hoc thieu, hoc hien, doc hieu
anh nang » ganh nang, anh bang, anh dang
dan toan » van toan, dan than, manh toan
toan cau » 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 hieu manh - ((hanh nang) or (anh nang)) va ((nhung phuong) or (truong phuong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh nang) OR (anh nang)) va ((nhung phuong) OR (truong phuong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh nang) or (anh nang)) va ((nhung phuong) or (truong phuong)) dan toan cau*.