Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (hoc thieu)) tinh - hanh trinh va nhung ((cong dan) or (cong san)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) tinh - hanh trinh va nhung ((cong dan) OR (cong san)) than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) tinh - hanh trinh va nhung ((cong dan) or (cong san)) than ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) tinh - hanh trinh va nhung ((cong dan) or (cong san)) than ban*.