Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hien sang » hien trang, khien bang, chieu sang
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
gian bana » gian ban, gian lan, gian bac
cong dan » cong san, cong tan, huong dan

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 sang - hanh trinh cua nhung cong dan ((gian bana) or (((gian lang) or (gian dan))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sang - hanh trinh cua nhung cong dan ((gian bana) OR (((gian lang) OR (gian dan)))).
• Adding a wildcard symbol may retrieve word variants: hoc hien sang - hanh trinh cua nhung cong dan ((gian bana) or (((gian lang) or (gian dan))))*.