Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh han » trinh quan
hang dung » hoang dung, dang dung, hang cung
tuan bang » tuan dang, tuan hoang, thuat bang
theo cuu » theo chu, khao cuu, thao cua
han hang » hang hang, han chang, ban hang
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo cuu tinh - hanh trinh han hang dung tai ((tuan bang) or (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cuu tinh - hanh trinh han hang dung tai ((tuan bang) OR (luan ban)).
• Adding a wildcard symbol may retrieve word variants: theo cuu tinh - hanh trinh han hang dung tai ((tuan bang) or (luan ban))*.