Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
san tran » tan tran, ban tran, dang tran
tran tap » toan tap, tran tan, tran tuan

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 - ((hanh tang) or (canh tranh)) va nhung cong san tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh tang) OR (canh tranh)) va nhung cong san tran tap.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh tang) or (canh tranh)) va nhung cong san tran tap*.