Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
lanh manh » lanh tranh, lan anh, van manh
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
manh cua » doanh cua, ban cua
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - lanh manh cua ((tong cong) or (cong cong)) dan ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - lanh manh cua ((tong cong) OR (cong cong)) dan ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - lanh manh cua ((tong cong) or (cong cong)) dan ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - lanh manh cua ((tong cong) or (cong cong)) dan ((than cau) OR (than cap))*.