Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
chi hanh » chi nhanh, chi thanh, thi hanh
cong san » cong tac
than tap » han tap, phan tap, than cap
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi hanh - thanh trung cap nhung cong san ((than tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - thanh trung cap nhung cong san ((than tap) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - thanh trung cap nhung cong san ((than tap) or (toan tap))*.