Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh hoac » thanh hoach, thanh hoa, trinh hoa
hoac khong » hoa khong, hoc khong, hay khong
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
cong dan » cong san, cong tan, cong dong
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 anh - hanh tranh hoac khong ((cong dan) or (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh tranh hoac khong ((cong dan) OR (huong dan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - hanh tranh hoac khong ((cong dan) or (huong dan)) toan ban*.