Perhaps you should try some spelling variations:
thanh trien » thanh tien, thanh truyen, thanh vien
thuat chung » thuat chuong, thuat hung, thuat nhung
thuat cong » thuat song, thuat trong, thu cong
chau tinh » cuu tinh, ha tinh, cua tinh
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - thanh trien ((thuat chung) or (thuat cong)) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - thanh trien ((thuat chung) OR (thuat cong)) cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - thanh trien ((thuat chung) or (thuat cong)) cong san toan cau*.