Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trinh hoa » trinh do, trinh han
cong cong » cong dong, trong cong, dung cong
ho trieu » mot trieu, 25 trieu, 30 trieu
trinh he » trinh han, trinh thi, trinh ky
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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

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