Perhaps you should try some spelling variations:
nguong manh » nguong dan, duong manh, luong manh
thang long » thanh cong
quan lang » quan hoang, quan luan, quan van
gian lang » gian dan
manh toan » thanh toan, anh tuan, tinh toan
khi xanh » khia canh, thi hanh, thi 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: doi khi xanh - thang long ((quan lang) or (gian lang)) nguong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - thang long ((quan lang) OR (gian lang)) nguong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thang long ((quan lang) or (gian lang)) nguong manh toan cau*.