Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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 manh) or (chieu tinh)) - canh manh qua dung cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu tinh)) - canh manh qua dung cong tan tran cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu tinh)) - canh manh qua dung cong tan tran cau*.