Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
lieu tinh » diep tinh, bien tinh
manh dung » manh hung, manh tung, anh dung
dang cong » dung cong
van thanh » ban thanh, van tuan
thanh bac » nhanh bac, thanh bai, thanh san
cho dang » cao dang, cho hang, cho dong
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (((lieu tinh) or (trieu tinh)))) - manh dung cho dang cong van thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((lieu tinh) OR (trieu tinh)))) - manh dung cho dang cong van thanh bac.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((lieu tinh) or (trieu tinh)))) - manh dung cho dang cong van thanh bac*.