Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh tuan » anh tuan, manh toan, minh tuan
ho chieu » theo chieu, hoc thieu, doi chieu
doanh va » doan va, doanh cua, hanh va
tuan ban » tuan bang, toan ban, luan ban

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 tai)) dung cong manh tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((doanh va) OR (doanh tai)) dung cong manh tuan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((doanh va) OR (doanh tai)) dung cong manh tuan ban*.