Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh manh » hanh mang, lanh manh, hoang manh
cua khong » hua khong, cua phuong, cua cong
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cao » toan cao, tran chau, trang cho
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 - hanh manh ((cua khong) OR (cua thuong)) cong tac tran cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh manh ((cua khong) OR (cua thuong)) cong tac tran cao".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh manh ((cua khong) OR (cua thuong)) cong tac tran cao*.