Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
toan nhung » toan chung, toan khung, doanh nhung
duong manh » duong van
doi chieu » doc hieu, doi chi, mot chieu
kinh toan » tinh toan, hinh toan, minh toan
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, mot chieu
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: ((ho chieu) or (doi chieu)) tinh - than kinh toan nhung duong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - than kinh toan nhung duong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tinh - than kinh toan nhung duong manh toan cao*.