Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
hanh tranh » canh tranh, hanh trinh, hanh trang
chu khong » he khong, thi khong, chu trong
tranh cua » doanh cua, manh cua
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ban cong » bang cong, van cong, phan cong
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 ((thieu khang) or (chu khong)) - hanh tranh cua ban cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chu khong)) - hanh tranh cua ban cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chu khong)) - hanh tranh cua ban cong manh toan cau*.