Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
nhung cong » dung cong, thong cong, hang cong
cong quang » luong quang, thong quang, duong quang
tiem hanh » tien hanh, tim hanh, liem thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
quang tan » quang tuan, quang tran, quang toan
mang cua » manh cua, dung cua, ban cua
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tiem hanh) OR (tien thanh)) - hanh mang cua nhung cong quang tan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tiem hanh) OR (tien thanh)) - hanh mang cua nhung cong quang tan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tiem hanh) OR (tien thanh)) - hanh mang cua nhung cong quang tan cau*.