Perhaps you should try some spelling variations:
thieu tach » chiet tach, chieu sach, hieu cach
thien hach » thien thanh, hien hanh
thanh dung » thanh duong, thanh tung, thanh hung
nhung hong » nhung chong, nhung huong, nhung phong
cua nhung » va nhung
dung cua » dung luan, dung cho
hong van » hoang van, thong van, phong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu tach) OR (thien hach)) - thanh dung cua nhung hong van ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tach) OR (thien hach)) - thanh dung cua nhung hong van ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tach) OR (thien hach)) - thanh dung cua nhung hong van ((toan ban) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tach) OR (thien hach)) - thanh dung cua nhung hong van ((toan ban) or (van ban))*.