Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
nhung cong » dung cong, thong cong, hang cong
hien tinh » thien tinh, bien tinh, dien tinh
doanh cua » doanh luan
manh cua » ban cua
cong dan » cong san, cong tan, huong dan
dan han » dan chan, dan than, dan hanh
han tap » han tai, toan tap, nhan tai

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 tinh) or (khien tinh)) - hanh ((manh cua) or (doanh cua)) nhung cong dan han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien tinh) OR (khien tinh)) - hanh ((manh cua) OR (doanh cua)) nhung cong dan han tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien tinh) or (khien tinh)) - hanh ((manh cua) or (doanh cua)) nhung cong dan han tap*.