Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cam truong » cac truong, lam truong, cao truong
kieu tinh » lieu tinh, trieu tinh, diep tinh
trinh cam » trinh cham, trinh cau, trinh tam
doc kieu » doc hieu, cac kieu, doc viet
cong dan » cong tan, cong dong, cong tac
cong san » cong tac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc kieu tinh - hanh trinh cam truong ((((cong dan) OR (cong san))) or (huong dan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc kieu tinh - hanh trinh cam truong ((((cong dan) OR (cong san))) OR (huong dan)) phan tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc kieu tinh - hanh trinh cam truong ((((cong dan) OR (cong san))) or (huong dan)) phan tu*".