Perhaps you should try some spelling variations:
khien thich » bien thich, kien trich, khuyen khich
khien tinh » thien tinh, bien tinh, dien tinh
manh huong » anh huong, manh hung, manh cuong
nhung cong » dung cong, thong cong, hang cong
huong cua » dung cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((khien tinh) or (khien thich)) - manh huong cua nhung cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((khien tinh) OR (khien thich)) - manh huong cua nhung cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((khien tinh) or (khien thich)) - manh huong cua nhung cong tan than cau*.