Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
cong hoan » cong hoa, dong hoa, cong san
ho chieu » theo chieu, doi chieu, mot chieu
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
phan cac » nhan cach, phan dau, phan lap

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 - lanh manh cua cong ((cong hoan) or (cong dan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - lanh manh cua cong ((cong hoan) OR (cong dan)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) tinh - lanh manh cua cong ((cong hoan) or (cong dan)) phan cac".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) tinh - lanh manh cua cong ((cong hoan) or (cong dan)) phan cac*.