Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
van phong » van dong, hai phong
hoan phan » hoa phan, toan phan, doan phan
doc hieu » toc thieu, hoc hien
manh cua » doanh cua, ban cua
van cong » van dong, phan cong, van duong
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: ((hoc thieu) or (doc hieu)) xanh - canh manh cua ((van cong) OR (van phong)) hoan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doc hieu)) xanh - canh manh cua ((van cong) OR (van phong)) hoan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doc hieu)) xanh - canh manh cua ((van cong) OR (van phong)) hoan phan cac".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) xanh - canh manh cua ((van cong) OR (van phong)) hoan phan cac*.