Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
duong manh » duong van
hieu manh » chieu xanh, hieu nganh, dieu hanh
trinh vai » trinh van, trinh tai, trinh vat
vai nhung » va nhung, voi nhung, vap nhung
cong manh » cong danh, cong thanh, hoang manh
tien anh » tieng anh, tien manh, dien anh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (tien anh)) - canh trinh vai nhung ((cong manh) OR (duong manh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (tien anh)) - canh trinh vai nhung ((cong manh) OR (duong manh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((hieu manh) or (tien anh)) - canh trinh vai nhung ((cong manh) OR (duong manh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (tien anh)) - canh trinh vai nhung ((cong manh) OR (duong manh)) toan cau*.