Perhaps you should try some spelling variations:
chieu tach » chiet tach, chiu trach, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
thuong qua » thong qua, thuong quang, truong quan
thuong quy » nhung quy, thong qua, thong que
trinh hanh » trinh thanh, trinh han, trinh anh
dung cong » dung trong
hanh va » hang va, hanh vi

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 tach) OR (chieu sach)) - thanh ((thuong qua) or (thuong quy)) dung cong trinh hanh va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tach) OR (chieu sach)) - thanh ((thuong qua) OR (thuong quy)) dung cong trinh hanh va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tach) OR (chieu sach)) - thanh ((thuong qua) or (thuong quy)) dung cong trinh hanh va".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tach) OR (chieu sach)) - thanh ((thuong qua) or (thuong quy)) dung cong trinh hanh va*.