Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
nhung cong » dung cong, thong cong, hang cong
hanh dong » anh dong, ha dong
cua nhung » va nhung
cho thue » choi thuc, cuc thue, cho he
anh dang » anh dong, anh dung, anh bang
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: ((cho chu) or (cho thue)) xanh - ((hanh dong) or (anh dang)) cua nhung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cho chu) OR (cho thue)) xanh - ((hanh dong) OR (anh dang)) cua nhung cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((cho chu) or (cho thue)) xanh - ((hanh dong) or (anh dang)) cua nhung cong trinh toan cau*.