Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chieu » theo tieu, ho chieu, theo chu
hanh dong » anh dong, ha dong
nhan dang » nhan dan, phan dang, tran dang
cua thong » cua thuong, cua khong, cua tong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
cao cho » cap cho, cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (cao cho)) xanh - ((hanh dong) or (nhan dang)) cua thong cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (cao cho)) xanh - ((hanh dong) OR (nhan dang)) cua thong cong van toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (cao cho)) xanh - ((hanh dong) or (nhan dang)) cua thong cong van toan cau*.