Perhaps you should try some spelling variations:
trinh luan » trinh quan, trinh han, trinh toan
thong cong » trong cong, tong cong, thong thong
chao chu » cho chu, cua chu, cao cho
chu manh » ho manh, chu han, chu van
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu manh - hanh ((trinh luan) or (trinh luat)) thong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu manh - hanh ((trinh luan) OR (trinh luat)) thong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: chao chu manh - hanh ((trinh luan) or (trinh luat)) thong cong dan toan ban*.