Perhaps you should try some spelling variations:
lang cong » dang cong, bang cong, hang cong
cong tinh » cong trinh, cong vinh, long tinh
chi danh » chi dan, chi anh, chi dinh
chi hanh » chi nhanh, chi thanh, thi hanh
tranh va » tranh van, trang va, trinh va
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
va lang » va nang, hoa lang

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 danh) or (chi hanh)) - canh tranh va lang cong tinh ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi danh) OR (chi hanh)) - canh tranh va lang cong tinh ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi danh) or (chi hanh)) - canh tranh va lang cong tinh ((toan tai) or (toan tap))*.