Perhaps you should try some spelling variations:
truong dong » trong dong, truong dang, tuong dong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cua truong » cua trung, xuan truong, cac truong
tung cua » trung cua, tuong cua, dung cua
dong tan » duong tan, dong tai, dong san
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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 tung cua truong dong tan ((than cao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - thanh tung cua truong dong tan ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - thanh tung cua truong dong tan ((than cao) or (thai cao))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (chieu sach)) - thanh tung cua truong dong tan ((than cao) or (thai cao))*.