Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
canh trong » anh trong, hanh trong, lanh trong
thuat cong » thuat song, thuat trong, thu cong
thanh chau » thanh cha, thanh cham, thanh chu
cong cong » cong dong, trong cong, dung cong
thanh cau » thanh mau, nhanh cau, thanh ca
toc sach » hoc sach, doc sach, thuoc sach
cong ban » cong bang, cong san, cong tan

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

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