Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan hung » luan chung, lan hung, luan ung
hung dung » nhung dung, phung dung, ung dung
tuan bang » tuan dang, tuan hoang, thuat bang
theo cuu » theo chu, khao cuu, thao cua
tuan ban » toan ban, luan ban, quang ban

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