Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
trung hinh » tung hinh, trung binh, trung dinh
hinh trong » chinh trong, dinh trong, sinh trong
dieu tinh » diep tinh, lieu tinh, dien tinh
hoc dieu » hoc thieu, hoc hien
cong san » cong tac
san van » tan van, luan van, tran 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 dieu tinh - hanh trung hinh trong cong san van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc dieu tinh - hanh trung hinh trong cong san van ban*.