Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh quan, trinh luan
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
toan cau » toan cao, toan ban, toan tap

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 sach) or (thu sach)) - hanh ((trinh cua) OR (trinh luat)) thong cong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu sach) OR (thu sach)) - hanh ((trinh cua) OR (trinh luat)) thong cong danh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu sach) or (thu sach)) - hanh ((trinh cua) OR (trinh luat)) thong cong danh toan cau".
• Adding a wildcard symbol may retrieve word variants: chao ((chu sach) or (thu sach)) - hanh ((trinh cua) OR (trinh luat)) thong cong danh toan cau*.