Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
hang cong » dang cong, hang nong, bang cong
tinh cua » trinh cua, sinh cua, tinh chat
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((ha tinh) or (chieu sang)) - hanh tinh cua hang cong tan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((ha tinh) OR (chieu sang)) - hanh tinh cua hang cong tan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((ha tinh) or (chieu sang)) - hanh tinh cua hang cong tan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho ((ha tinh) or (chieu sang)) - hanh tinh cua hang cong tan ((toan cao) OR (toan ban))*.