Perhaps you should try some spelling variations:
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
thang van » thanh van, thong van, thang va
ho chiet » ho chieu, ho thiet, hoc thiet
tang van » dang van, hoang van, trong van
san van » tan van, tran van, dang van
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh ((thang van) or (tang van)) thong cong ((san van) OR (luan van)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((thang van) OR (tang van)) thong cong ((san van) OR (luan van)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh ((thang van) or (tang van)) thong cong ((san van) OR (luan van)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((thang van) or (tang van)) thong cong ((san van) OR (luan van)) cau*.