Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc hieu » hoc thieu, doc hieu, hoc dieu
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 hieu) OR (hoc hien)) lang - hanh tranh cua nhung cong tan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (hoc hien)) lang - hanh tranh cua nhung cong tan than cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (hoc hien)) lang - hanh tranh cua nhung cong tan than cau*.