Perhaps you should try some spelling variations:
khien thich » bien thich, khien tinh, kien trich
manh truong » manh trung, manh tuong, anh truong
thien tinh » khien tinh, thien minh, tien tinh
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
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 tinh) or (khien thich)) - manh truong cua nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien tinh) OR (khien thich)) - manh truong cua nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien tinh) or (khien thich)) - manh truong cua nhung cong tan toan cau*.