Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien hanh » dieu hanh
trinh van » trinh han, trinh quan, trinh toan
lang cong » dang cong, bang cong, hang cong
van lang » van nang, va lang, van hang
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - hanh trinh van lang cong van tan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh trinh van lang cong van tan ban*.