Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
truong cong » trong cong, truong dong, truong long
cua truong » cua trung, xuan truong, cac truong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
dan hang » ban hang, van hang, dai hang
dat hang » dat khanh, dat quang, tat thang

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu khang - canh tranh cua truong cong ((dan hang) OR (dat hang)) va~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - canh tranh cua truong cong ((dan hang) OR (dat hang)) va*.