Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
dan phan » doan phan, van phan, dam phan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - canh doanh cua ((thong cong) OR (trong cong)) ((dan phan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh doanh cua ((thong cong) OR (trong cong)) ((dan phan) OR (dan chan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh doanh cua ((thong cong) OR (trong cong)) ((dan phan) or (dan chan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh doanh cua ((thong cong) OR (trong cong)) ((dan phan) or (dan chan)) cau*.