Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh hanh » trinh thanh, trinh han, trinh anh
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu tach » chu tich, chu thich, chu thanh
toan cao » toan tap
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: theo chu tach - hanh trinh hanh ((nhung cong) or (hang cong)) dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tach - hanh trinh hanh ((nhung cong) OR (hang cong)) dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chu tach - hanh trinh hanh ((nhung cong) or (hang cong)) dan ((toan cao) or (toan ban))*.