Perhaps you should try some spelling variations:
phuong hoan » phuong hoang, phuong hoa, phuong loan
thanh trung » thanh tung
phuong doan » phuong loan, phuong hoang, huong dan
hoc thieu » toc thieu
trung cap » truong cao, trung tam
thanh cau » thanh chau, thanh mau, nhanh cau
cap bang » cao bang, can bang, lap bang

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) or (hoc hien)) sach - thanh trung cap bang ((phuong hoan) OR (phuong doan)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - thanh trung cap bang ((phuong hoan) OR (phuong doan)) thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) sach - thanh trung cap bang ((phuong hoan) OR (phuong doan)) thanh cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sach - thanh trung cap bang ((phuong hoan) OR (phuong doan)) thanh cau*.