Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
tran tuan » tran quang, tran thanh, tranh luan
tran xuan » tran quang, tran van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan 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 ((((tran tuan) or (tran xuan))) or (trung tam)) thong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh ((((tran tuan) OR (tran xuan))) OR (trung tam)) thong cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh ((((tran tuan) or (tran xuan))) or (trung tam)) thong cong tan toan tap*.