Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
thanh cac » hanh cac, thanh bac, thanh ca
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
than cap » khan cap, thanh lap, than cua

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 - anh mang cua ((nhung cong) or (hang cong)) trinh ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - anh mang cua ((nhung cong) OR (hang cong)) trinh ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - anh mang cua ((nhung cong) or (hang cong)) trinh ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - anh mang cua ((nhung cong) or (hang cong)) trinh ((than cap) OR (thanh cac))*.