Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
cua khong » hua khong, cua phuong, cua thuong
ca thuong » cao thuong, cua thuong, va thuong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
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 xanh - anh tang ((cua khong) or (ca thuong)) cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh tang ((cua khong) OR (ca thuong)) cong trinh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh tang ((cua khong) or (ca thuong)) cong trinh toan cao*.