Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
vien nganh » vien thanh
hiem ngan » kim ngan, viem gan
phan cong » thanh cong
trang va » tran van, hang va
dan toan » van toan, dan than, manh toan
va phan » van phan, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((vien nganh) or (hiem ngan)) - hanh trang va phan cong ((dan toan) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien nganh) OR (hiem ngan)) - hanh trang va phan cong ((dan toan) OR (anh tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((vien nganh) or (hiem ngan)) - hanh trang va phan cong ((dan toan) or (anh tuan)) cau*.