Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
chu xang » chua xang, chuc nang, chu quang
chu bang » thu bang, chuc nang, chu quang
hang cua » mang cua, hang ca, huong cua
dan than » dan chan, ban than, van than

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 xang) OR (chu bang)) - hanh hang cua nhung cong ((manh toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xang) OR (chu bang)) - hanh hang cua nhung cong ((manh toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xang) OR (chu bang)) - hanh hang cua nhung cong ((manh toan) or (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xang) OR (chu bang)) - hanh hang cua nhung cong ((manh toan) or (dan than)) cau*.