Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung dap » trung cap, trung dai, trung dam
hang cong » dang cong, hang nong, bang cong
khoan cam » khoa cam, khoan va, phan cam
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
dap hang » dat hang, dai hang, dai thang
cong san » cong tac
than cua » nhan cua, thai cua, ban 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 - thanh trung dap hang cong san ((than cua) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - thanh trung dap hang cong san ((than cua) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh trung dap hang cong san ((than cua) or (khoan cam))*.