Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trang » thanh trung, canh tranh, hanh trinh
manh hung » anh huong
cua nhung » va nhung
ho thiet » hoc thiet, hoa thiet, so thiet
cong tan » cong tac, cong san, cong thanh
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thiet tach - ((hanh trang) or (manh hung)) ((cua nhung) or (cua cong)) cong tan tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - ((hanh trang) OR (manh hung)) ((cua nhung) OR (cua cong)) cong tan tran van.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - ((hanh trang) or (manh hung)) ((cua nhung) or (cua cong)) cong tan tran van*.