Perhaps you should try some spelling variations:
lanh manh » lanh tranh, lan anh, van manh
dung cong » dung trong
chu manh » ho manh, chu han, chu van
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
van toan » van tuan, van thanh, manh toan
van tan » van tuan, van ban, van tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu manh) or ((chuc or chua) nang)) - lanh manh cua dung cong ((van toan) OR (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR ((chuc OR chua) nang)) - lanh manh cua dung cong ((van toan) OR (van tan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu manh) or ((chuc or chua) nang)) - lanh manh cua dung cong ((van toan) OR (van tan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or ((chuc or chua) nang)) - lanh manh cua dung cong ((van toan) OR (van tan)) cao*.