Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
chinh va » chinh ta, chinh tai, hanh va
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai

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 xanh)) - hanh chinh va nhung cong van tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu xanh)) - hanh chinh va nhung cong van tuan tai.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu xanh)) - hanh chinh va nhung cong van tuan tai*.