Perhaps you should try some spelling variations:
thieu khang » thieu quang
chieu khong » chien chong, chu khong, chieu duong
cua trong » cua truong, cua trung, qua trong
canh ban » can ban, canh dan, canh van
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
ban cua » ban quan

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) or (chieu khong)) - canh ban cua trong cong tan hang va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu khong)) - canh ban cua trong cong tan hang va.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu khong)) - canh ban cua trong cong tan hang va*.