Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
doanh doanh » toan doanh, doanh hoan, doanh thanh
chinh doanh » kinh doanh
hoc thieu » toc thieu, hoc hien
qua trong » quan trong, qua trinh, qua song
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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 - ((doanh doanh) or (chinh doanh)) qua trong ((cong dan) OR (cong tan)) hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - ((doanh doanh) OR (chinh doanh)) qua trong ((cong dan) OR (cong tan)) hang va.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu khang - ((doanh doanh) or (chinh doanh)) qua trong ((cong dan) OR (cong tan)) hang va".
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - ((doanh doanh) or (chinh doanh)) qua trong ((cong dan) OR (cong tan)) hang va*.