Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
nang luong » nang song
luong quan » thong quan, duong qua
quan trong » gian trong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 - nang luong quan trong cong dan ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - nang luong quan trong cong dan ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - nang luong quan trong cong dan ((than cau) or (phan cau))*.