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