Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, hieu lang
bien tinh » bi tinh, yen tinh, diep tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh cua » trinh cua, sinh cua, tinh chat
ban cong » bang cong, van cong, phan cong
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((bien tinh) or (chieu sang)) - hanh tinh cua ban cong thanh ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((bien tinh) OR (chieu sang)) - hanh tinh cua ban cong thanh ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho ((bien tinh) or (chieu sang)) - hanh tinh cua ban cong thanh ((toan cao) or (toan tap))*.