Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
thong cong » trong cong, tong cong, thong thong
theo dieu » theo tieu, theo chieu, thuoc dieu
cong phap » chong phap, cong phan, cong pham
tang van » dang van, hoang van, trong van
tan van » tran van, luan van, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - thanh cong phap thong cong ((tan van) or (tang van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - thanh cong phap thong cong ((tan van) OR (tang van)) ban.
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - thanh cong phap thong cong ((tan van) or (tang van)) ban*.