Perhaps you should try some spelling variations:
thang cong » thanh cong, thang long, thong cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trung nam » trung tam, trong nam, trung ha
trung cap » truong cao, trung tam
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh 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: hoc chinh sach - thanh ((trung nam) OR (trung cap)) thang cong manh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh ((trung nam) OR (trung cap)) thang cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh ((trung nam) OR (trung cap)) thang cong manh toan ban*.