Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
thuong dai » thuong mai, truong dai, thuong dam
phan cong » thanh cong
han cong » hang cong, hanh cong, han tong
ki thuat » ky thuat
thuat do » thuat o

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - thanh thuong dai ((han cong) or (phan cong)) ki thuat do~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh thuong dai ((han cong) OR (phan cong)) ki thuat do.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh thuong dai ((han cong) or (phan cong)) ki thuat do*.