Perhaps you should try some spelling variations:
thanh tong » thanh cong, thanh tung, thanh long
hoc chinh » hoan chinh, hoc sinh, hoc kinh
quan dung » quang dung, quan duong, quan dong
qua dung » quang dung, su dung, qua song
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan cap » khan cap, than cap, cao cap

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 tong ((quan dung) or (qua dung)) ((cong dan) OR (cong san)) chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh tong ((quan dung) OR (qua dung)) ((cong dan) OR (cong san)) chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh tong ((quan dung) or (qua dung)) ((cong dan) OR (cong san)) chan cap".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh tong ((quan dung) or (qua dung)) ((cong dan) OR (cong san)) chan cap*.