Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh luan » trinh luat, trinh quan, trinh han
luan cong » luat cong, luong cong, luan chung
dong thap » dong tham, dong thanh, dong thuan
thap toan » tap toan, phap toan, thuat 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 - canh trinh luan cong dong thap toan cau~.
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - canh trinh luan cong dong thap toan cau*.