Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
huong cua » dung cua
cua thong » cua thuong, cua khong, cua tong
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, bai toan
tap quan » tac quan, hai quan

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 - anh huong cua thong cong ((tan toan) or (((tap toan) OR (tap quan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - anh huong cua thong cong ((tan toan) OR (((tap toan) OR (tap quan)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - anh huong cua thong cong ((tan toan) or (((tap toan) OR (tap quan)))) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - anh huong cua thong cong ((tan toan) or (((tap toan) OR (tap quan)))) cau*.