Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh toan
chieu sach » chinh sach, chiet tach, chieu sang
thanh hang » thanh hoang, tranh hang, thanh hung
cong thanh » dong thanh, cong trinh, cong tan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
tran cau » tran chau, ran cau, tra cau
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: ho chieu sach - ((thanh hang) or (thanh thang)) vat dung cong thanh ((tran cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh hang) OR (thanh thang)) vat dung cong thanh ((tran cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((thanh hang) or (thanh thang)) vat dung cong thanh ((tran cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh hang) or (thanh thang)) vat dung cong thanh ((tran cau) OR (toan cau))*.