Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, sinh trung
thien danh » thien dang, thien thanh, thien chanh
nhung cong » dung cong, thong cong, hang cong
thien anh » tien anh, thien thanh, thien chanh
manh hung » anh huong
dam nhung » cam nhung, nam nhung, dam khung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 ((thien anh) OR (thien danh)) - ((manh trung) or (manh hung)) dam nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - ((manh trung) OR (manh hung)) dam nhung cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) OR (thien danh)) - ((manh trung) or (manh hung)) dam nhung cong tan toan cau*".