Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
than cau » phan cau, than cap, thanh chau
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: hoc ((thieu sach) or (chieu sach)) - thanh trung cua nhung tuong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh trung cua nhung tuong dan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - thanh trung cua nhung tuong dan ((than cau) or (toan cau))*.