Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
canh manh » lanh manh, canh tranh, cach mang
phan cong » thanh cong
hoan nhan » hoang nhan, hon nhan, hoa nhan
nhan cach » phan cac
doc hieu » toc thieu, hoc hien
manh cua » doanh cua, ban cua
van cong » van dong, van phong, van duong

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 (phan cong)) hoan nhan cach~.
• 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 (phan cong)) hoan nhan cach.
• 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 (phan cong)) hoan nhan cach".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) xanh - canh manh cua ((van cong) OR (phan cong)) hoan nhan cach*.