Perhaps you should try some spelling variations:
thang duong » thanh duong, thong duong, tang duong
dong thanh » truong thanh
thanh toan » thanh hoa, thanh san, tinh toan
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
qua cong » cua cong, qua song, va cong
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: doc ((hieu xanh) or (hieu manh)) - thang duong qua cong dong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - thang duong qua cong dong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (hieu manh)) - thang duong qua cong dong thanh toan cau*.