Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, thong thong, phong chong
hien hanh » dieu hanh
tong cong » trong cong, cong cong, dung cong
tan chinh » tai chinh, lan chinh, van chinh
chinh can » chinh ca, chinh ban, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - hanh trinh thuat ((thong cong) OR (tong cong)) tan chinh can~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - hanh trinh thuat ((thong cong) OR (tong cong)) tan chinh can".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh trinh thuat ((thong cong) OR (tong cong)) tan chinh can*.