Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
thanh toan » thanh hoa, thanh san, tinh toan
hieu xanh » chieu xanh, hieu manh, hieu nganh
trinh han » trinh quan
manh toan » anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh trinh han ((nhung cong) or (thong cong)) ((manh toan) or (thanh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh trinh han ((nhung cong) OR (thong cong)) ((manh toan) OR (thanh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh trinh han ((nhung cong) or (thong cong)) ((manh toan) or (thanh toan)) cau*.