Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
thuat nhung » thuat hung, thuat chung, thuat chuong
canh trinh » canh tranh, hanh trinh, canh tinh
cong tinh » cong vinh, long tinh, cong thanh
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
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: theo chu tinh - canh trinh thuat nhung ((cong tinh) or (cong trinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - canh trinh thuat nhung ((cong tinh) OR (cong trinh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - canh trinh thuat nhung ((cong tinh) or (cong trinh)) toan cau*.