Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
ca thuong » cao thuong, cua thuong, va thuong
cua khong » hua khong, cua phuong, cua thuong
theo chu » theo chieu, chao chu, theo yeu
anh tang » anh bang, anh dang, anh nang
toan cao » toan ban, toan tap
cho chu » cho thue

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) OR (cho 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) OR (cho chu)) xanh - anh tang ((cua khong) OR (ca thuong)) cong trinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) OR (cho chu)) xanh - anh tang ((cua khong) or (ca thuong)) cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) OR (cho chu)) xanh - anh tang ((cua khong) or (ca thuong)) cong trinh toan cao*.