Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
ngang nhung » sang nhung, tang nhung
quan hoang » luan hoan
cong ngang » cong nhan, cong quang, cong lang
hien manh » hien hanh, tien manh, hien nhanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
quan hang » quan lang, quan hanh, qua hang
nhung cau » chung cu, nhung bai, nhu cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) OR (hieu manh)) - thanh truong ((quan hang) or (quan hoang)) cong ngang nhung cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (hieu manh)) - thanh truong ((quan hang) OR (quan hoang)) cong ngang nhung cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) OR (hieu manh)) - thanh truong ((quan hang) or (quan hoang)) cong ngang nhung cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) OR (hieu manh)) - thanh truong ((quan hang) or (quan hoang)) cong ngang nhung cau*.