Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, viet sach
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
tung cua » tuong cua, dung cua, tang cua
toan cau » toan cao, toan ban, toan tap
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sach) OR (te sach)) - thanh ((tung cua) or (trung cua)) dung cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (te sach)) - thanh ((tung cua) OR (trung cua)) dung cong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) OR (te sach)) - thanh ((tung cua) or (trung cua)) dung cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) OR (te sach)) - thanh ((tung cua) or (trung cua)) dung cong tinh toan cau*.