Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
tieu xanh » tieu danh, chieu xanh, dieu hanh
mang cua » manh cua, dung cua, cong cua
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((mang cua) or (ban cua)) nhung cong thanh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((mang cua) OR (ban cua)) nhung cong thanh ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((mang cua) or (ban cua)) nhung cong thanh ((toan tai) or (toan ban))*.