Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
theo tiem » theo tieu, them niem, thep tieu
tiem hanh » tien hanh, tim hanh, tien thanh
hang cong » dang cong, hang nong, bang cong
hanh ban » thanh ban, hang ban, hanh san
ban cua » ban quan
tan cau » toan cau, van cau, tao cau
tan ca » tan cua, tang ca, dan 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 - hanh ban cua ((nhung cong) OR (hang cong)) quang ((tan cau) or (tan ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tiem hanh - hanh ban cua ((nhung cong) OR (hang cong)) quang ((tan cau) OR (tan ca)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tiem hanh - hanh ban cua ((nhung cong) OR (hang cong)) quang ((tan cau) or (tan ca))".
• Adding a wildcard symbol may retrieve word variants: theo tiem hanh - hanh ban cua ((nhung cong) OR (hang cong)) quang ((tan cau) or (tan ca))*.