Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
vang thanh » van thanh, dang thanh, tang thanh
dieu danh » dieu hanh, tieu danh, dia danh
cong vang » cong lang, cong quang, cong ngang
hoc dieu » hoc thieu, hoc hien
doanh va » doan va, doanh tai, doanh cua
thanh tu » hanh tu, nhanh tu, thanh tung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu danh - hanh doanh va nhung cong vang thanh tu~.
• Adding a wildcard symbol may retrieve word variants: hoc dieu danh - hanh doanh va nhung cong vang thanh tu*.