Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
thong cong » trong cong, tong cong, thong thong
chua xang » chua nang, chuc nang, chu bang
trinh cua » tinh cua, trinh luat, trinh luan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
ho chua » ho chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chua xang - hanh ((trinh cua) or (trinh quan)) thong cong tac ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chua xang - hanh ((trinh cua) OR (trinh quan)) thong cong tac ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chua xang - hanh ((trinh cua) or (trinh quan)) thong cong tac ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chua xang - hanh ((trinh cua) or (trinh quan)) thong cong tac ((toan cau) OR (toan tap))*.