Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
van nhung » van nhuong, va nhung, van hung
hien anh » thien anh, dien anh, tien anh
tran van » luan van
van tuan » van quan, van ban

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 anh) or (hien hanh)) - thanh tran van nhung cong ((van tuan) OR (anh tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (hien hanh)) - thanh tran van nhung cong ((van tuan) OR (anh tuan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien anh) or (hien hanh)) - thanh tran van nhung cong ((van tuan) OR (anh tuan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) or (hien hanh)) - thanh tran van nhung cong ((van tuan) OR (anh tuan)) cao*.