Perhaps you should try some spelling variations:
thanh xuong » thanh huong, thanh cuong, thanh duong
chieu tach » chiet tach, chiu trach, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » thong cong, hang cong, nhung don
xuong dan » huong dan, xuong san, tuong dan
dung cong » dung trong
ban hanh » ban hang
hanh lap » thanh lap, hanh lam, hanh cap

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