Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
hoc thiet » hoc thieu, hoc thuyet, toc thieu
hoc dieu » hoc thieu
doanh va » doan va, doanh tai, doanh cua
san ban » sang ban, van ban, can ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((hoc thiet) or (hoc dieu))) or (hoc hien)) sang - hanh doanh va nhung cong thanh san ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thiet) OR (hoc dieu))) OR (hoc hien)) sang - hanh doanh va nhung cong thanh san ban.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thiet) or (hoc dieu))) or (hoc hien)) sang - hanh doanh va nhung cong thanh san ban*.