Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
bang cong » dang cong, bang song, dung cong
hang cong » dang cong, hang nong, thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan 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 (hoc hien)) xanh - hanh trinh cua ((bang cong) OR (hang cong)) van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) xanh - hanh trinh cua ((bang cong) OR (hang cong)) van tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc hien)) xanh - hanh trinh cua ((bang cong) OR (hang cong)) van tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) xanh - hanh trinh cua ((bang cong) OR (hang cong)) van tuan ban*.