Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: ho ((thien hach) or (chiet tach)) - hanh tang cua nhung cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thien hach) OR (chiet tach)) - hanh tang cua nhung cong van toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((thien hach) or (chiet tach)) - hanh tang cua nhung cong van toan cau*.