Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chua » theo chu, ho chua, cheo cua
chua tinh » cua tinh, cha tinh, thuat tinh
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
hang ca » hang va, hang tai, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua tinh - nhanh ((hang ca) or (nang cao)) nhung cong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua tinh - nhanh ((hang ca) OR (nang cao)) nhung cong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chua tinh - nhanh ((hang ca) or (nang cao)) nhung cong tac ((toan cau) or (toan ban))*.