Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
nhung manh » nhung thanh, nhung van, nhung lang
hieu lang » chieu sang, hieu quang, nhieu tang
hung manh » hung anh, tung manh, duong manh
hoi hieu » hoi phieu, hoi tieu, moi hieu
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - hanh trinh suat thong ((hung manh) or (nhung manh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu lang - hanh trinh suat thong ((hung manh) OR (nhung manh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - hanh trinh suat thong ((hung manh) or (nhung manh)) toan cao*.