Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, mot chieu
trinh sat » trinh san, trinh sau, trinh sai
sat thong » suat thong, sau thong, mat thong
trong van » trong cac
ho chieu » theo chieu, hoc thieu, mot chieu
cong van » cong vang, cong san, song van
toan 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: ((ho chieu) or (doi chieu)) tinh - hanh trinh sat thong ((cong van) or (trong van)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) tinh - hanh trinh sat thong ((cong van) OR (trong van)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tinh - hanh trinh sat thong ((cong van) or (trong van)) toan ban*.