Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
san than » sang than, san thanh, ban than
than tap » toan tap, han tap, phan tap

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) or (chu manh)) - hanh tang cua thong cong san than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu manh)) - hanh tang cua thong cong san than tap*.