Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
hoc dieu » hoc hien
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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: ((hoc dieu) OR (hoc thieu)) hanh - hanh tranh cua cong ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) hanh - hanh tranh cua cong ((cong dan) OR (cong tan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) OR (hoc thieu)) hanh - hanh tranh cua cong ((cong dan) or (cong tan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) OR (hoc thieu)) hanh - hanh tranh cua cong ((cong dan) or (cong tan)) toan ban*.