Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh doanh » hang doanh, chinh doanh, doanh doanh
chau tinh » cuu tinh, ha tinh, cac tinh
vanh tuan » anh tuan, manh tuan, thanh tuan
cua tinh » cua sinh, va tinh, ha tinh
doanh va » doan va, doanh tai, doanh cua
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) OR (cua tinh)) - hanh doanh va nhung cong ((vanh tuan) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (cua tinh)) - hanh doanh va nhung cong ((vanh tuan) OR (van tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) OR (cua tinh)) - hanh doanh va nhung cong ((vanh tuan) or (van tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) OR (cua tinh)) - hanh doanh va nhung cong ((vanh tuan) or (van tuan)) ban*.