Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
vanh tuan » anh tuan, van tuan, thanh tuan
manh tuan » anh tuan, manh toan, minh tuan
ho chieu » theo chieu, hoc thieu, doi chieu
doanh va » doan va, doanh tai, hanh va

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

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