Perhaps you should try some spelling variations:
trinh nghiep » trinh nghien, trinh nghe, trinh ghep
hanh trinh » canh tranh, hanh chinh
thanh tinh » thanh binh, nhanh tinh, than kinh
nghiep tu » nghiep vu, nghiep vua, nghiep cua
duy thanh » duy khanh, duc thanh, quy thanh
tinh nghe » trinh nghe, anh nghe, hanh nghe
so hanh » so sanh, so danh, co hanh
nghe du » nghe duc, nghe xu, nghe di
tu hoc » te hoc
du hoc » duoc hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so hanh trinh nghiep tu hoc ) or ( duy thanh tinh nghe du hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so hanh trinh nghiep tu hoc ) OR ( duy thanh tinh nghe du hoc )).
• Adding a wildcard symbol may retrieve word variants: (( so hanh trinh nghiep tu hoc ) or ( duy thanh tinh nghe du hoc ))*.