Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cong tinh » cong trinh, cong vinh, long tinh
chu sang » chu bang, thu sang, chieu sang
cua hang » cua dang, cua nhung, cua 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: chao ((chu sang) or (chieu sach)) - canh tranh cua hang cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu sang) OR (chieu sach)) - canh tranh cua hang cong tinh toan cau*.