Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
ho chieu » theo chieu, doi chieu, mot chieu
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, cong dong
phan cau » phan dau, phan cac, phan tu

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 thieu)) tinh - canh manh cua nhung ((cong dan) or (huong dan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - canh manh cua nhung ((cong dan) OR (huong dan)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) tinh - canh manh cua nhung ((cong dan) or (huong dan)) phan cau*.