Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong dinh » phuong binh, phuong linh, phuong trinh
thieu sach » chieu sach, thien hach, hieu cach
truong cao » truong dai
trung cua » truong cua, trung tuan, trung cap
dinh toan » tinh toan, hinh toan, minh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sach - thanh ((trung cua) or (truong cao)) dung phuong dinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - thanh ((trung cua) OR (truong cao)) dung phuong dinh toan ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh ((trung cua) or (truong cao)) dung phuong dinh toan ban*.