Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien manh » hien hanh, tien manh, hieu manh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh 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 hien manh - ((hanh tang) or (nhanh quang)) cua nhung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - ((hanh tang) OR (nhanh quang)) cua nhung cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - ((hanh tang) or (nhanh quang)) cua nhung cong manh toan cau*.