Perhaps you should try some spelling variations:
chinh thuat » chinh phat, chien thuat, chinh thuc
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
dan chinh » dang chinh, lan chinh, van chinh
chinh can » chinh ca, chinh ban, chinh cau
hoc dieu » hoc thieu, hoc hien

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

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