Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc chinh » hoan chinh, hoc sinh, hoc kinh
vap dang » van dang, nap dang, cao dang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
va dang » van dang, va lang, da dang
va nang » van nang, da nang, cam nang

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 ((vap dang) or (((va dang) OR (va nang)))) cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh trung ((vap dang) OR (((va dang) OR (va nang)))) cong tac than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh trung ((vap dang) or (((va dang) OR (va nang)))) cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh trung ((vap dang) or (((va dang) OR (va nang)))) cong tac than cau*.