Perhaps you should try some spelling variations:
khung cong » nhung cong, khung long, phung cong
cong toan » cong tan, cong tuan, cong doan
cong hoan » cong hoa, dong hoa, cong ha
thanh lap » thanh san, phan lap, thanh hai
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
cong san » cong tac
than cap » khan cap, thanh cac, 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 manh - thanh ((cong toan) or (cong hoan)) khung cong san ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - thanh ((cong toan) OR (cong hoan)) khung cong san ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu manh - thanh ((cong toan) or (cong hoan)) khung cong san ((than cap) OR (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: theo chu manh - thanh ((cong toan) or (cong hoan)) khung cong san ((than cap) OR (thanh lap))*.