Perhaps you should try some spelling variations:
chung tuong » chung thong, nhung tuong, chuong duong
hanh trang » thanh trung, canh tranh, hanh trinh
trang luan » tang luan, tranh luan, trang tuan
luan chung » luan chinh
hach toan » thanh toan, manh toan
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
tac toan » tap toan, tam toan, tich toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu xanh - hanh trang luan chung tuong ((tac toan) OR (hach toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu xanh - hanh trang luan chung tuong ((tac toan) OR (hach toan)) cao".
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - hanh trang luan chung tuong ((tac toan) OR (hach toan)) cao*.