Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
nhung cong » dung cong, thong cong, hang cong
quang tuan » quang thanh, quan luan, quang cua
tiem hanh » tien hanh, tim hanh, liem thanh
cua nhung » va nhung
quang tan » quang tran, quang toan, quang ban
va cua » va chua, via cua, ca cua

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)) - hang va cua nhung cong ((quang tan) or (quang tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tiem hanh) OR (tien thanh)) - hang va cua nhung cong ((quang tan) OR (quang tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tiem hanh) OR (tien thanh)) - hang va cua nhung cong ((quang tan) or (quang tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tiem hanh) OR (tien thanh)) - hang va cua nhung cong ((quang tan) or (quang tuan)) cau*.