Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
trung cong » truong cong, trong cong, trung uong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu khang - canh tranh cua trung cong ((dan hang) or (dat hang)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - canh tranh cua trung cong ((dan hang) OR (dat hang)) va.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - canh tranh cua trung cong ((dan hang) or (dat hang)) va*.