Perhaps you should try some spelling variations:
hien thanh » thien thanh, hien hanh, tien thanh
hanh trinh » canh tranh, hanh chinh
cong ngang » cong nhan, cong quang, cong lang
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong van » cong vang, cong san, song van
ban nha » ban nhan, ban phap, ban than

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien thanh - hanh trinh cua nhung ((cong van) or (cong ngang)) ban nha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien thanh - hanh trinh cua nhung ((cong van) OR (cong ngang)) ban nha.
• Adding a wildcard symbol may retrieve word variants: hoc hien thanh - hanh trinh cua nhung ((cong van) or (cong ngang)) ban nha*.