Perhaps you should try some spelling variations:
thieu hanh » thien thanh, thien chanh, thieu khang
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong cach » cong cac, cong sach, dong cach
cach van » cac van, bach van, canh 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 thieu hanh - ((hanh trinh) or (canh tranh)) cua nhung cong cach van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hanh - ((hanh trinh) OR (canh tranh)) cua nhung cong cach van ban*.